Subtract 72/49 from 42/14
1st number: 3 0/14, 2nd number: 1 23/49
42/14 - 72/49 is 75/49.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 49 is 98
Next, find the equivalent fraction of both fractional numbers with denominator 98 - For the 1st fraction, since 14 × 7 = 98,
42/14 = 42 × 7/14 × 7 = 294/98 - Likewise, for the 2nd fraction, since 49 × 2 = 98,
72/49 = 72 × 2/49 × 2 = 144/98 - Subtract the two like fractions:
294/98 - 144/98 = 294 - 144/98 = 150/98 - After reducing the fraction, the answer is 75/49
- In mixed form: 126/49
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/14-72/49 42/28-72/49 42/14-72/98 42/70-72/49 42/98-72/49