Subtract 15/49 from 7/5
1st number: 1 2/5, 2nd number: 15/49
7/5 - 15/49 is 268/245.
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,
7/5 = 7 × 49/5 × 49 = 343/245 - Likewise, for the 2nd fraction, since 49 × 5 = 245,
15/49 = 15 × 5/49 × 5 = 75/245 - Subtract the two like fractions:
343/245 - 75/245 = 343 - 75/245 = 268/245 - In mixed form: 123/245
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/5-15/49 7/5-30/49 7/10-15/49 7/5-15/98 21/5-15/49 7/5-45/49 7/15-15/49 35/5-15/49 7/5-75/49 7/25-15/49 49/5-15/49 7/35-15/49