Subtract 4/70 from 7/36
7/36 - 4/70 is 173/1260.
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,
7/36 = 7 × 35/36 × 35 = 245/1260 - Likewise, for the 2nd fraction, since 70 × 18 = 1260,
4/70 = 4 × 18/70 × 18 = 72/1260 - Subtract the two like fractions:
245/1260 - 72/1260 = 245 - 72/1260 = 173/1260
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/36-4/70 7/36-8/70 7/72-4/70 21/36-4/70 7/36-12/70 35/36-4/70 7/36-20/70 49/36-4/70 7/36-28/70