Subtract 4/27 from 70/20
1st number: 3 10/20, 2nd number: 4/27
70/20 - 4/27 is 181/54.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 27 is 540
Next, find the equivalent fraction of both fractional numbers with denominator 540 - For the 1st fraction, since 20 × 27 = 540,
70/20 = 70 × 27/20 × 27 = 1890/540 - Likewise, for the 2nd fraction, since 27 × 20 = 540,
4/27 = 4 × 20/27 × 20 = 80/540 - Subtract the two like fractions:
1890/540 - 80/540 = 1890 - 80/540 = 1810/540 - After reducing the fraction, the answer is 181/54
- In mixed form: 319/54
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/20-8/27 70/40-4/27 70/20-4/54 70/20-12/27 70/60-4/27 70/20-4/81 70/20-20/27 70/20-28/27