Subtract 16/72 from 15/35
15/35 - 16/72 is 13/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 72 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 35 × 72 = 2520,
15/35 = 15 × 72/35 × 72 = 1080/2520 - Likewise, for the 2nd fraction, since 72 × 35 = 2520,
16/72 = 16 × 35/72 × 35 = 560/2520 - Subtract the two like fractions:
1080/2520 - 560/2520 = 1080 - 560/2520 = 520/2520 - After reducing the fraction, the answer is 13/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/35-16/72 15/35-32/72 15/70-16/72 45/35-16/72 15/35-48/72 75/35-16/72 15/35-80/72