Subtract 3/49 from 10/70
10/70 - 3/49 is 4/49.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 49 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 70 × 7 = 490,
10/70 = 10 × 7/70 × 7 = 70/490 - Likewise, for the 2nd fraction, since 49 × 10 = 490,
3/49 = 3 × 10/49 × 10 = 30/490 - Subtract the two like fractions:
70/490 - 30/490 = 70 - 30/490 = 40/490 - 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: 20/70-3/49 10/70-6/49 10/70-3/98 30/70-3/49 10/70-9/49 50/70-3/49 10/70-15/49 10/70-21/49