Subtract 72/7 from 12/60
1st number: 12/60, 2nd number: 10 2/7
12/60 - 72/7 is -353/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 7 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 60 × 7 = 420,
12/60 = 12 × 7/60 × 7 = 84/420 - Likewise, for the 2nd fraction, since 7 × 60 = 420,
72/7 = 72 × 60/7 × 60 = 4320/420 - Subtract the two like fractions:
84/420 - 4320/420 = 84 - 4320/420 = -4236/420 - After reducing the fraction, the answer is -353/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/60-72/7 12/60-72/14 36/60-72/7 12/60-72/21 12/60-72/35 84/60-72/7 12/60-72/49