Subtract 42/49 from 15/2
1st number: 7 1/2, 2nd number: 42/49
15/2 - 42/49 is 93/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 49 is 98
Next, find the equivalent fraction of both fractional numbers with denominator 98 - For the 1st fraction, since 2 × 49 = 98,
15/2 = 15 × 49/2 × 49 = 735/98 - Likewise, for the 2nd fraction, since 49 × 2 = 98,
42/49 = 42 × 2/49 × 2 = 84/98 - Subtract the two like fractions:
735/98 - 84/98 = 735 - 84/98 = 651/98 - After reducing the fraction, the answer is 93/14
- In mixed form: 69/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/2-42/49 15/2-84/49 15/4-42/49 15/2-42/98 45/2-42/49 15/6-42/49 75/2-42/49 15/10-42/49 15/14-42/49