Subtract 18/49 from 90/56
1st number: 1 34/56, 2nd number: 18/49
90/56 - 18/49 is 243/196.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 49 is 392
Next, find the equivalent fraction of both fractional numbers with denominator 392 - For the 1st fraction, since 56 × 7 = 392,
90/56 = 90 × 7/56 × 7 = 630/392 - Likewise, for the 2nd fraction, since 49 × 8 = 392,
18/49 = 18 × 8/49 × 8 = 144/392 - Subtract the two like fractions:
630/392 - 144/392 = 630 - 144/392 = 486/392 - After reducing the fraction, the answer is 243/196
- In mixed form: 147/196
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/56-36/49 90/56-18/98 90/56-54/49 90/56-90/49