Subtract 12/10 from 63/72
1st number: 63/72, 2nd number: 1 2/10
63/72 - 12/10 is -13/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 10 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 72 × 5 = 360,
63/72 = 63 × 5/72 × 5 = 315/360 - Likewise, for the 2nd fraction, since 10 × 36 = 360,
12/10 = 12 × 36/10 × 36 = 432/360 - Subtract the two like fractions:
315/360 - 432/360 = 315 - 432/360 = -117/360 - After reducing the fraction, the answer is -13/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/72-24/10 63/72-12/20 63/72-36/10 63/72-12/30 63/72-60/10 63/72-12/50 63/72-84/10 63/72-12/70