Subtract 15/10 from 2/72
1st number: 2/72, 2nd number: 1 5/10
2/72 - 15/10 is -53/36.
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,
2/72 = 2 × 5/72 × 5 = 10/360 - Likewise, for the 2nd fraction, since 10 × 36 = 360,
15/10 = 15 × 36/10 × 36 = 540/360 - Subtract the two like fractions:
10/360 - 540/360 = 10 - 540/360 = -530/360 - After reducing the fraction, the answer is -53/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/72-15/10 2/72-30/10 2/72-15/20 6/72-15/10 2/72-45/10 2/72-15/30 10/72-15/10 2/72-75/10 2/72-15/50 14/72-15/10 2/72-15/70