Subtract 15/49 from 8/5
1st number: 1 3/5, 2nd number: 15/49
8/5 - 15/49 is 317/245.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 49 is 245
Next, find the equivalent fraction of both fractional numbers with denominator 245 - For the 1st fraction, since 5 × 49 = 245,
8/5 = 8 × 49/5 × 49 = 392/245 - Likewise, for the 2nd fraction, since 49 × 5 = 245,
15/49 = 15 × 5/49 × 5 = 75/245 - Subtract the two like fractions:
392/245 - 75/245 = 392 - 75/245 = 317/245 - In mixed form: 172/245
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/5-15/49 8/5-30/49 8/10-15/49 8/5-15/98 24/5-15/49 8/5-45/49 8/15-15/49 40/5-15/49 8/5-75/49 8/25-15/49 56/5-15/49 8/35-15/49