Subtract 30/36 from 96/21
1st number: 4 12/21, 2nd number: 30/36
96/21 - 30/36 is 157/42.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 36 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 21 × 12 = 252,
96/21 = 96 × 12/21 × 12 = 1152/252 - Likewise, for the 2nd fraction, since 36 × 7 = 252,
30/36 = 30 × 7/36 × 7 = 210/252 - Subtract the two like fractions:
1152/252 - 210/252 = 1152 - 210/252 = 942/252 - After reducing the fraction, the answer is 157/42
- In mixed form: 331/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 96/21-60/36 96/42-30/36 96/21-30/72 96/21-90/36 96/63-30/36