Subtract 42/10 from 63/56
1st number: 1 7/56, 2nd number: 4 2/10
63/56 - 42/10 is -123/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 10 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 56 × 5 = 280,
63/56 = 63 × 5/56 × 5 = 315/280 - Likewise, for the 2nd fraction, since 10 × 28 = 280,
42/10 = 42 × 28/10 × 28 = 1176/280 - Subtract the two like fractions:
315/280 - 1176/280 = 315 - 1176/280 = -861/280 - After reducing the fraction, the answer is -123/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/56-84/10 63/56-42/20 63/56-42/30 63/56-42/50 63/56-42/70