Subtract 35/49 from 4/70
4/70 - 35/49 is -23/35.
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,
4/70 = 4 × 7/70 × 7 = 28/490 - Likewise, for the 2nd fraction, since 49 × 10 = 490,
35/49 = 35 × 10/49 × 10 = 350/490 - Subtract the two like fractions:
28/490 - 350/490 = 28 - 350/490 = -322/490 - After reducing the fraction, the answer is -23/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/70-35/49 4/70-70/49 4/70-35/98 12/70-35/49 20/70-35/49 28/70-35/49