Subtract 8/54 from 70/15
1st number: 4 10/15, 2nd number: 8/54
70/15 - 8/54 is 122/27.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 54 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 15 × 18 = 270,
70/15 = 70 × 18/15 × 18 = 1260/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
8/54 = 8 × 5/54 × 5 = 40/270 - Subtract the two like fractions:
1260/270 - 40/270 = 1260 - 40/270 = 1220/270 - After reducing the fraction, the answer is 122/27
- In mixed form: 414/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/15-16/54 70/30-8/54 70/15-24/54 70/45-8/54 70/15-40/54 70/75-8/54 70/15-56/54