Subtract 70/60 from 49/70
1st number: 49/70, 2nd number: 1 10/60
49/70 - 70/60 is -7/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 60 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 70 × 6 = 420,
49/70 = 49 × 6/70 × 6 = 294/420 - Likewise, for the 2nd fraction, since 60 × 7 = 420,
70/60 = 70 × 7/60 × 7 = 490/420 - Subtract the two like fractions:
294/420 - 490/420 = 294 - 490/420 = -196/420 - After reducing the fraction, the answer is -7/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/70-70/60