Subtract 10/7 from 42/28
1st number: 1 14/28, 2nd number: 1 3/7
42/28 - 10/7 is 1/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 7 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 28 × 1 = 28,
42/28 = 42 × 1/28 × 1 = 42/28 - Likewise, for the 2nd fraction, since 7 × 4 = 28,
10/7 = 10 × 4/7 × 4 = 40/28 - Subtract the two like fractions:
42/28 - 40/28 = 42 - 40/28 = 2/28 - After reducing the fraction, the answer is 1/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/28-10/7 42/28-20/7 42/56-10/7 42/28-10/14 42/28-30/7 42/84-10/7 42/28-10/21 42/28-50/7 42/28-10/35 42/28-70/7 42/28-10/49