Add 90/27 and 9/20
1st number: 3 9/27, 2nd number: 9/20
90/27 + 9/20 is 227/60.
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,
90/27 = 90 × 20/27 × 20 = 1800/540 - Likewise, for the 2nd fraction, since 20 × 27 = 540,
9/20 = 9 × 27/20 × 27 = 243/540 - Add the two like fractions:
1800/540 + 243/540 = 1800 + 243/540 = 2043/540 - 2043/540 simplified gives 227/60
- So, 90/27 + 9/20 = 227/60
In mixed form: 347/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/27+18/20 90/54+9/20 90/27+9/40 90/27+27/20 90/81+9/20 90/27+9/60 90/27+45/20 90/27+63/20