Subtract 18/49 from 7/5
1st number: 1 2/5, 2nd number: 18/49
7/5 - 18/49 is 253/245.
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,
18/49 = 18 × 5/49 × 5 = 90/245 - Subtract the two like fractions:
343/245 - 90/245 = 343 - 90/245 = 253/245 - In mixed form: 18/245
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/5-18/49 7/5-36/49 7/10-18/49 7/5-18/98 21/5-18/49 7/5-54/49 7/15-18/49 35/5-18/49 7/5-90/49 7/25-18/49 49/5-18/49 7/35-18/49