Subtract 70/18 from 15/60
1st number: 15/60, 2nd number: 3 16/18
15/60 - 70/18 is -131/36.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 18 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 60 × 3 = 180,
15/60 = 15 × 3/60 × 3 = 45/180 - Likewise, for the 2nd fraction, since 18 × 10 = 180,
70/18 = 70 × 10/18 × 10 = 700/180 - Subtract the two like fractions:
45/180 - 700/180 = 45 - 700/180 = -655/180 - After reducing the fraction, the answer is -131/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/60-70/18 15/60-70/36 45/60-70/18 15/60-70/54 75/60-70/18 15/60-70/90