Subtract 70/12 from 60/70
1st number: 60/70, 2nd number: 5 10/12
60/70 - 70/12 is -209/42.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 12 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 70 × 6 = 420,
60/70 = 60 × 6/70 × 6 = 360/420 - Likewise, for the 2nd fraction, since 12 × 35 = 420,
70/12 = 70 × 35/12 × 35 = 2450/420 - Subtract the two like fractions:
360/420 - 2450/420 = 360 - 2450/420 = -2090/420 - After reducing the fraction, the answer is -209/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/70-70/24 60/70-70/36 60/70-70/60 60/70-70/84