Subtract 3/12 from 72/35
1st number: 2 2/35, 2nd number: 3/12
72/35 - 3/12 is 253/140.
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,
3/12 = 3 × 35/12 × 35 = 105/420 - Subtract the two like fractions:
864/420 - 105/420 = 864 - 105/420 = 759/420 - After reducing the fraction, the answer is 253/140
- In mixed form: 1113/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/35-6/12 72/70-3/12 72/35-3/24 72/35-9/12 72/35-3/36 72/35-15/12 72/35-3/60 72/35-21/12 72/35-3/84