Subtract 42/5 from 63/2
1st number: 31 1/2, 2nd number: 8 2/5
63/2 - 42/5 is 231/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 5 is 10
Next, find the equivalent fraction of both fractional numbers with denominator 10 - For the 1st fraction, since 2 × 5 = 10,
63/2 = 63 × 5/2 × 5 = 315/10 - Likewise, for the 2nd fraction, since 5 × 2 = 10,
42/5 = 42 × 2/5 × 2 = 84/10 - Subtract the two like fractions:
315/10 - 84/10 = 315 - 84/10 = 231/10 - In mixed form: 231/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/2-84/5 63/4-42/5 63/2-42/10 63/6-42/5 63/2-42/15 63/10-42/5 63/2-42/25 63/14-42/5 63/2-42/35