Subtract 15/35 from 16/28
16/28 - 15/35 is 1/7.
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,
16/28 = 16 × 5/28 × 5 = 80/140 - Likewise, for the 2nd fraction, since 35 × 4 = 140,
15/35 = 15 × 4/35 × 4 = 60/140 - Subtract the two like fractions:
80/140 - 60/140 = 80 - 60/140 = 20/140 - After reducing the fraction, the answer is 1/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/28-15/35 16/28-30/35 16/56-15/35 16/28-15/70 48/28-15/35 16/28-45/35 16/84-15/35 80/28-15/35 16/28-75/35