Subtract 21/4 from 36/60
1st number: 36/60, 2nd number: 5 1/4
36/60 - 21/4 is -93/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 4 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 60 × 1 = 60,
36/60 = 36 × 1/60 × 1 = 36/60 - Likewise, for the 2nd fraction, since 4 × 15 = 60,
21/4 = 21 × 15/4 × 15 = 315/60 - Subtract the two like fractions:
36/60 - 315/60 = 36 - 315/60 = -279/60 - After reducing the fraction, the answer is -93/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/60-21/4 36/60-42/4 36/60-21/8 36/60-63/4 36/60-21/12 36/60-21/20 36/60-21/28