Add 9/20 and 70/27
1st number: 9/20, 2nd number: 2 16/27
9/20 + 70/27 is 1643/540.
Steps for adding 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,
9/20 = 9 × 27/20 × 27 = 243/540 - Likewise, for the 2nd fraction, since 27 × 20 = 540,
70/27 = 70 × 20/27 × 20 = 1400/540 - Add the two like fractions:
243/540 + 1400/540 = 243 + 1400/540 = 1643/540 - So, 9/20 + 70/27 = 1643/540
In mixed form: 323/540
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/20+70/27 9/40+70/27 9/20+70/54 27/20+70/27 9/60+70/27 9/20+70/81 45/20+70/27 63/20+70/27