Subtract 40/45 from 32/15
1st number: 2 2/15, 2nd number: 40/45
32/15 - 40/45 is 56/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 45 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 15 × 3 = 45,
32/15 = 32 × 3/15 × 3 = 96/45 - Likewise, for the 2nd fraction, since 45 × 1 = 45,
40/45 = 40 × 1/45 × 1 = 40/45 - Subtract the two like fractions:
96/45 - 40/45 = 96 - 40/45 = 56/45 - In mixed form: 111/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 64/15-40/45 32/15-80/45 32/30-40/45 32/15-40/90 96/15-40/45 32/45-40/45 32/75-40/45