Subtract 63/10 from 42/25
1st number: 1 17/25, 2nd number: 6 3/10
42/25 - 63/10 is -231/50.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 10 is 50
Next, find the equivalent fraction of both fractional numbers with denominator 50 - For the 1st fraction, since 25 × 2 = 50,
42/25 = 42 × 2/25 × 2 = 84/50 - Likewise, for the 2nd fraction, since 10 × 5 = 50,
63/10 = 63 × 5/10 × 5 = 315/50 - Subtract the two like fractions:
84/50 - 315/50 = 84 - 315/50 = -231/50
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/25-63/10 42/50-63/10 42/25-63/20 42/75-63/10 42/25-63/30 42/25-63/50 42/25-63/70