Subtract 27/35 from 72/28
1st number: 2 16/28, 2nd number: 27/35
72/28 - 27/35 is 9/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 35 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 28 × 5 = 140,
72/28 = 72 × 5/28 × 5 = 360/140 - Likewise, for the 2nd fraction, since 35 × 4 = 140,
27/35 = 27 × 4/35 × 4 = 108/140 - Subtract the two like fractions:
360/140 - 108/140 = 360 - 108/140 = 252/140 - After reducing the fraction, the answer is 9/5
- In mixed form: 14/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/28-54/35 72/56-27/35 72/28-27/70 72/28-81/35 72/84-27/35