Subtract 36/18 from 70/8
1st number: 8 6/8, 2nd number: 2 0/18
70/8 - 36/18 is 27/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 18 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 8 × 9 = 72,
70/8 = 70 × 9/8 × 9 = 630/72 - Likewise, for the 2nd fraction, since 18 × 4 = 72,
36/18 = 36 × 4/18 × 4 = 144/72 - Subtract the two like fractions:
630/72 - 144/72 = 630 - 144/72 = 486/72 - After reducing the fraction, the answer is 27/4
- In mixed form: 63/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/8-72/18 70/16-36/18 70/24-36/18 70/8-36/54 70/40-36/18 70/8-36/90 70/56-36/18