Subtract 35/10 from 15/72
1st number: 15/72, 2nd number: 3 5/10
15/72 - 35/10 is -79/24.
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,
15/72 = 15 × 5/72 × 5 = 75/360 - Likewise, for the 2nd fraction, since 10 × 36 = 360,
35/10 = 35 × 36/10 × 36 = 1260/360 - Subtract the two like fractions:
75/360 - 1260/360 = 75 - 1260/360 = -1185/360 - After reducing the fraction, the answer is -79/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/72-35/10 15/72-70/10 15/72-35/20 45/72-35/10 15/72-35/30 75/72-35/10 15/72-35/50 15/72-35/70