Solve the following exercise:
87−125=?
To solve the problem of subtracting 125 from 87, we follow these steps:
- Step 1: Find the least common multiple (LCM) of the denominators 8 and 12. The multiples of 8 are 8, 16, 24, 32, and those of 12 are 12, 24, 36. The smallest common multiple is 24.
- Step 2: Convert each fraction to have a denominator of 24.
For 87:
Multiply the numerator and the denominator by 3 to get: 8×37×3=2421.
For 125:
Multiply the numerator and the denominator by 2 to get: 12×25×2=2410.
- Step 3: Subtract the fractions now that they have the same denominator:
2421−2410=2421−10=2411.
- Step 4: Simplify the fraction if possible. In this case, 2411 is already in its simplest form.
Therefore, the result of 87−125 is 2411.