Subtract 81/32 from 36/5
1st number: 7 1/5, 2nd number: 2 17/32
36/5 - 81/32 is 747/160.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 32 is 160
Next, find the equivalent fraction of both fractional numbers with denominator 160 - For the 1st fraction, since 5 × 32 = 160,
36/5 = 36 × 32/5 × 32 = 1152/160 - Likewise, for the 2nd fraction, since 32 × 5 = 160,
81/32 = 81 × 5/32 × 5 = 405/160 - Subtract the two like fractions:
1152/160 - 405/160 = 1152 - 405/160 = 747/160 - In mixed form: 4107/160
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/5-81/32 36/10-81/32 36/5-81/64 36/15-81/32 36/5-81/96 36/25-81/32 36/35-81/32