Subtract 10/63 from 42/28
1st number: 1 14/28, 2nd number: 10/63
42/28 - 10/63 is 169/126.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 63 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 28 × 9 = 252,
42/28 = 42 × 9/28 × 9 = 378/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
10/63 = 10 × 4/63 × 4 = 40/252 - Subtract the two like fractions:
378/252 - 40/252 = 378 - 40/252 = 338/252 - After reducing the fraction, the answer is 169/126
- In mixed form: 143/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/28-10/63 42/28-20/63 42/56-10/63 42/28-30/63 42/84-10/63 42/28-50/63 42/28-70/63