Subtract 4/20 from 96/42
1st number: 2 12/42, 2nd number: 4/20
96/42 - 4/20 is 73/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 20 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 42 × 10 = 420,
96/42 = 96 × 10/42 × 10 = 960/420 - Likewise, for the 2nd fraction, since 20 × 21 = 420,
4/20 = 4 × 21/20 × 21 = 84/420 - Subtract the two like fractions:
960/420 - 84/420 = 960 - 84/420 = 876/420 - After reducing the fraction, the answer is 73/35
- In mixed form: 23/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 96/42-8/20 96/84-4/20 96/42-4/40 96/42-12/20 96/42-4/60 96/42-28/20