Subtract 48/60 from 21/4
1st number: 5 1/4, 2nd number: 48/60
21/4 - 48/60 is 89/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 60 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 4 × 15 = 60,
21/4 = 21 × 15/4 × 15 = 315/60 - Likewise, for the 2nd fraction, since 60 × 1 = 60,
48/60 = 48 × 1/60 × 1 = 48/60 - Subtract the two like fractions:
315/60 - 48/60 = 315 - 48/60 = 267/60 - After reducing the fraction, the answer is 89/20
- In mixed form: 49/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/4-48/60 21/4-96/60 21/8-48/60 63/4-48/60 21/12-48/60 21/20-48/60 21/28-48/60