Subtract 42/50 from 63/4
1st number: 15 3/4, 2nd number: 42/50
63/4 - 42/50 is 1491/100.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 50 is 100
Next, find the equivalent fraction of both fractional numbers with denominator 100 - For the 1st fraction, since 4 × 25 = 100,
63/4 = 63 × 25/4 × 25 = 1575/100 - Likewise, for the 2nd fraction, since 50 × 2 = 100,
42/50 = 42 × 2/50 × 2 = 84/100 - Subtract the two like fractions:
1575/100 - 84/100 = 1575 - 84/100 = 1491/100 - In mixed form: 1491/100
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/4-84/50 63/8-42/50 63/12-42/50 63/20-42/50 63/28-42/50