Subtract 90/56 from 50/15
1st number: 3 5/15, 2nd number: 1 34/56
50/15 - 90/56 is 145/84.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 56 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 15 × 56 = 840,
50/15 = 50 × 56/15 × 56 = 2800/840 - Likewise, for the 2nd fraction, since 56 × 15 = 840,
90/56 = 90 × 15/56 × 15 = 1350/840 - Subtract the two like fractions:
2800/840 - 1350/840 = 2800 - 1350/840 = 1450/840 - After reducing the fraction, the answer is 145/84
- In mixed form: 161/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/30-90/56 50/45-90/56 50/75-90/56