Subtract 20/70 from 25/36
25/36 - 20/70 is 103/252.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 70 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 36 × 35 = 1260,
25/36 = 25 × 35/36 × 35 = 875/1260 - Likewise, for the 2nd fraction, since 70 × 18 = 1260,
20/70 = 20 × 18/70 × 18 = 360/1260 - Subtract the two like fractions:
875/1260 - 360/1260 = 875 - 360/1260 = 515/1260 - After reducing the fraction, the answer is 103/252
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/36-20/70 25/36-40/70 25/72-20/70 75/36-20/70 25/36-60/70