Subtract 20/49 from 10/35
10/35 - 20/49 is -6/49.
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,
20/49 = 20 × 5/49 × 5 = 100/245 - Subtract the two like fractions:
70/245 - 100/245 = 70 - 100/245 = -30/245 - After reducing the fraction, the answer is -6/49
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/35-20/49 10/35-40/49 10/70-20/49 10/35-20/98 30/35-20/49 10/35-60/49 50/35-20/49 70/35-20/49