Subtract 70/36 from 60/80
1st number: 60/80, 2nd number: 1 34/36
60/80 - 70/36 is -43/36.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 36 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 80 × 9 = 720,
60/80 = 60 × 9/80 × 9 = 540/720 - Likewise, for the 2nd fraction, since 36 × 20 = 720,
70/36 = 70 × 20/36 × 20 = 1400/720 - Subtract the two like fractions:
540/720 - 1400/720 = 540 - 1400/720 = -860/720 - After reducing the fraction, the answer is -43/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/80-70/72