Subtract 3/27 from 70/20
1st number: 3 10/20, 2nd number: 3/27
70/20 - 3/27 is 61/18.
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,
3/27 = 3 × 20/27 × 20 = 60/540 - Subtract the two like fractions:
1890/540 - 60/540 = 1890 - 60/540 = 1830/540 - After reducing the fraction, the answer is 61/18
- In mixed form: 37/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/20-6/27 70/40-3/27 70/20-3/54 70/20-9/27 70/60-3/27 70/20-3/81 70/20-15/27 70/20-21/27