Subtract 15/72 from 16/30
16/30 - 15/72 is 13/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 30 × 12 = 360,
16/30 = 16 × 12/30 × 12 = 192/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
15/72 = 15 × 5/72 × 5 = 75/360 - Subtract the two like fractions:
192/360 - 75/360 = 192 - 75/360 = 117/360 - After reducing the fraction, the answer is 13/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/30-15/72 16/30-30/72 16/60-15/72 48/30-15/72 16/30-45/72 16/90-15/72 80/30-15/72 16/30-75/72