Subtract 42/28 from 10/35
1st number: 10/35, 2nd number: 1 14/28
10/35 - 42/28 is -17/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 28 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 35 × 4 = 140,
10/35 = 10 × 4/35 × 4 = 40/140 - Likewise, for the 2nd fraction, since 28 × 5 = 140,
42/28 = 42 × 5/28 × 5 = 210/140 - Subtract the two like fractions:
40/140 - 210/140 = 40 - 210/140 = -170/140 - After reducing the fraction, the answer is -17/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/35-42/28 10/35-84/28 10/70-42/28 10/35-42/56 30/35-42/28 10/35-42/84 50/35-42/28 70/35-42/28