Subtract 20/54 from 70/10
1st number: 7 0/10, 2nd number: 20/54
70/10 - 20/54 is 179/27.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 54 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 10 × 27 = 270,
70/10 = 70 × 27/10 × 27 = 1890/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
20/54 = 20 × 5/54 × 5 = 100/270 - Subtract the two like fractions:
1890/270 - 100/270 = 1890 - 100/270 = 1790/270 - After reducing the fraction, the answer is 179/27
- In mixed form: 617/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/10-40/54 70/20-20/54 70/10-60/54 70/30-20/54 70/50-20/54