Subtract 42/8 from 63/28
1st number: 2 7/28, 2nd number: 5 2/8
63/28 - 42/8 is -3/1.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 8 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 28 × 2 = 56,
63/28 = 63 × 2/28 × 2 = 126/56 - Likewise, for the 2nd fraction, since 8 × 7 = 56,
42/8 = 42 × 7/8 × 7 = 294/56 - Subtract the two like fractions:
126/56 - 294/56 = 126 - 294/56 = -168/56 - After reducing the fraction, the answer is -3/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/28-84/8 63/56-42/8 63/28-42/16 63/84-42/8 63/28-42/24 63/28-42/40 63/28-42/56