Subtract 20/45 from 70/27
1st number: 2 16/27, 2nd number: 20/45
70/27 - 20/45 is 58/27.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 45 is 135
Next, find the equivalent fraction of both fractional numbers with denominator 135 - For the 1st fraction, since 27 × 5 = 135,
70/27 = 70 × 5/27 × 5 = 350/135 - Likewise, for the 2nd fraction, since 45 × 3 = 135,
20/45 = 20 × 3/45 × 3 = 60/135 - Subtract the two like fractions:
350/135 - 60/135 = 350 - 60/135 = 290/135 - After reducing the fraction, the answer is 58/27
- In mixed form: 24/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/27-40/45 70/54-20/45 70/27-20/90 70/27-60/45 70/81-20/45