Subtract 18/49 from 10/35
10/35 - 18/49 is -4/49.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 49 is 245
Next, find the equivalent fraction of both fractional numbers with denominator 245 - For the 1st fraction, since 35 × 7 = 245,
10/35 = 10 × 7/35 × 7 = 70/245 - Likewise, for the 2nd fraction, since 49 × 5 = 245,
18/49 = 18 × 5/49 × 5 = 90/245 - Subtract the two like fractions:
70/245 - 90/245 = 70 - 90/245 = -20/245 - After reducing the fraction, the answer is -4/49
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/35-18/49 10/35-36/49 10/70-18/49 10/35-18/98 30/35-18/49 10/35-54/49 50/35-18/49 10/35-90/49 70/35-18/49