Subtract 48/42 from 15/2
1st number: 7 1/2, 2nd number: 1 6/42
15/2 - 48/42 is 89/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 42 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 2 × 21 = 42,
15/2 = 15 × 21/2 × 21 = 315/42 - Likewise, for the 2nd fraction, since 42 × 1 = 42,
48/42 = 48 × 1/42 × 1 = 48/42 - Subtract the two like fractions:
315/42 - 48/42 = 315 - 48/42 = 267/42 - After reducing the fraction, the answer is 89/14
- In mixed form: 65/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/2-48/42 15/2-96/42 15/4-48/42 15/2-48/84 45/2-48/42 15/6-48/42 75/2-48/42 15/10-48/42 15/14-48/42