Subtract 16/42 from 10/15
10/15 - 16/42 is 2/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 15 × 14 = 210,
10/15 = 10 × 14/15 × 14 = 140/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
16/42 = 16 × 5/42 × 5 = 80/210 - Subtract the two like fractions:
140/210 - 80/210 = 140 - 80/210 = 60/210 - After reducing the fraction, the answer is 2/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/15-16/42 10/15-32/42 10/30-16/42 10/15-16/84 30/15-16/42 10/15-48/42 10/45-16/42 50/15-16/42 10/15-80/42 10/75-16/42 70/15-16/42