Add 10/27 and 70/20
1st number: 10/27, 2nd number: 3 10/20
10/27 + 70/20 is 209/54.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 20 is 540
Next, find the equivalent fraction of both fractional numbers with denominator 540 - For the 1st fraction, since 27 × 20 = 540,
10/27 = 10 × 20/27 × 20 = 200/540 - Likewise, for the 2nd fraction, since 20 × 27 = 540,
70/20 = 70 × 27/20 × 27 = 1890/540 - Add the two like fractions:
200/540 + 1890/540 = 200 + 1890/540 = 2090/540 - 2090/540 simplified gives 209/54
- So, 10/27 + 70/20 = 209/54
In mixed form: 347/54
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/27+70/20 10/54+70/20 10/27+70/40 30/27+70/20 10/81+70/20 10/27+70/60 50/27+70/20 70/27+70/20