Subtract 70/56 from 5/90
1st number: 5/90, 2nd number: 1 14/56
5/90 - 70/56 is -43/36.
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,
5/90 = 5 × 28/90 × 28 = 140/2520 - Likewise, for the 2nd fraction, since 56 × 45 = 2520,
70/56 = 70 × 45/56 × 45 = 3150/2520 - Subtract the two like fractions:
140/2520 - 3150/2520 = 140 - 3150/2520 = -3010/2520 - After reducing the fraction, the answer is -43/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/90-70/56 15/90-70/56 25/90-70/56 35/90-70/56