Subtract 3/36 from 1/70
1/70 - 3/36 is -29/420.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 36 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 70 × 18 = 1260,
1/70 = 1 × 18/70 × 18 = 18/1260 - Likewise, for the 2nd fraction, since 36 × 35 = 1260,
3/36 = 3 × 35/36 × 35 = 105/1260 - Subtract the two like fractions:
18/1260 - 105/1260 = 18 - 105/1260 = -87/1260 - After reducing the fraction, the answer is -29/420
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/70-3/36 1/70-6/36 1/70-3/72 3/70-3/36 1/70-9/36 5/70-3/36 1/70-15/36 7/70-3/36 1/70-21/36