Subtract 4/32 from 40/28
1st number: 1 12/28, 2nd number: 4/32
40/28 - 4/32 is 73/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 32 is 224
Next, find the equivalent fraction of both fractional numbers with denominator 224 - For the 1st fraction, since 28 × 8 = 224,
40/28 = 40 × 8/28 × 8 = 320/224 - Likewise, for the 2nd fraction, since 32 × 7 = 224,
4/32 = 4 × 7/32 × 7 = 28/224 - Subtract the two like fractions:
320/224 - 28/224 = 320 - 28/224 = 292/224 - After reducing the fraction, the answer is 73/56
- In mixed form: 117/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/28-4/32 40/28-8/32 40/56-4/32 40/28-4/64 40/28-12/32 40/84-4/32 40/28-4/96 40/28-20/32 40/28-28/32