Subtract 49/56 from 15/5
1st number: 3 0/5, 2nd number: 49/56
15/5 - 49/56 is 17/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 56 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 5 × 56 = 280,
15/5 = 15 × 56/5 × 56 = 840/280 - Likewise, for the 2nd fraction, since 56 × 5 = 280,
49/56 = 49 × 5/56 × 5 = 245/280 - Subtract the two like fractions:
840/280 - 245/280 = 840 - 245/280 = 595/280 - After reducing the fraction, the answer is 17/8
- In mixed form: 21/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/5-49/56 15/5-98/56 15/10-49/56 45/5-49/56 75/5-49/56 15/25-49/56 15/35-49/56