Subtract 72/10 from 49/12
1st number: 4 1/12, 2nd number: 7 2/10
49/12 - 72/10 is -187/60.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 10 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 12 × 5 = 60,
49/12 = 49 × 5/12 × 5 = 245/60 - Likewise, for the 2nd fraction, since 10 × 6 = 60,
72/10 = 72 × 6/10 × 6 = 432/60 - Subtract the two like fractions:
245/60 - 432/60 = 245 - 432/60 = -187/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/12-72/10 49/24-72/10 49/12-72/20 49/36-72/10 49/12-72/30 49/60-72/10 49/12-72/50 49/84-72/10 49/12-72/70