Subtract 98/56 from 4/90
1st number: 4/90, 2nd number: 1 42/56
4/90 - 98/56 is -307/180.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 56 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 90 × 28 = 2520,
4/90 = 4 × 28/90 × 28 = 112/2520 - Likewise, for the 2nd fraction, since 56 × 45 = 2520,
98/56 = 98 × 45/56 × 45 = 4410/2520 - Subtract the two like fractions:
112/2520 - 4410/2520 = 112 - 4410/2520 = -4298/2520 - After reducing the fraction, the answer is -307/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/90-98/56 12/90-98/56 20/90-98/56 28/90-98/56