Subtract 45/72 from 16/35
16/35 - 45/72 is -47/280.
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,
16/35 = 16 × 72/35 × 72 = 1152/2520 - Likewise, for the 2nd fraction, since 72 × 35 = 2520,
45/72 = 45 × 35/72 × 35 = 1575/2520 - Subtract the two like fractions:
1152/2520 - 1575/2520 = 1152 - 1575/2520 = -423/2520 - After reducing the fraction, the answer is -47/280
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/35-45/72 16/35-90/72 16/70-45/72 48/35-45/72 80/35-45/72