Subtract 4/12 from 72/35
1st number: 2 2/35, 2nd number: 4/12
72/35 - 4/12 is 181/105.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 12 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 35 × 12 = 420,
72/35 = 72 × 12/35 × 12 = 864/420 - Likewise, for the 2nd fraction, since 12 × 35 = 420,
4/12 = 4 × 35/12 × 35 = 140/420 - Subtract the two like fractions:
864/420 - 140/420 = 864 - 140/420 = 724/420 - After reducing the fraction, the answer is 181/105
- In mixed form: 176/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/35-8/12 72/70-4/12 72/35-4/24 72/35-4/36 72/35-20/12 72/35-4/60 72/35-28/12 72/35-4/84