Subtract 72/10 from 49/32
1st number: 1 17/32, 2nd number: 7 2/10
49/32 - 72/10 is -907/160.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 10 is 160
Next, find the equivalent fraction of both fractional numbers with denominator 160 - For the 1st fraction, since 32 × 5 = 160,
49/32 = 49 × 5/32 × 5 = 245/160 - Likewise, for the 2nd fraction, since 10 × 16 = 160,
72/10 = 72 × 16/10 × 16 = 1152/160 - Subtract the two like fractions:
245/160 - 1152/160 = 245 - 1152/160 = -907/160
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/32-72/10 49/64-72/10 49/32-72/20 49/96-72/10 49/32-72/30 49/32-72/50 49/32-72/70