Subtract 18/32 from 28/7
1st number: 4 0/7, 2nd number: 18/32
28/7 - 18/32 is 55/16.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 32 is 224
Next, find the equivalent fraction of both fractional numbers with denominator 224 - For the 1st fraction, since 7 × 32 = 224,
28/7 = 28 × 32/7 × 32 = 896/224 - Likewise, for the 2nd fraction, since 32 × 7 = 224,
18/32 = 18 × 7/32 × 7 = 126/224 - Subtract the two like fractions:
896/224 - 126/224 = 896 - 126/224 = 770/224 - After reducing the fraction, the answer is 55/16
- In mixed form: 37/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/7-18/32 28/7-36/32 28/14-18/32 28/7-18/64 84/7-18/32 28/7-54/32 28/21-18/32 28/7-18/96 28/7-90/32 28/35-18/32 28/49-18/32