Add 90/27 and 18/10
1st number: 3 9/27, 2nd number: 1 8/10
90/27 + 18/10 is 77/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 10 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 27 × 10 = 270,
90/27 = 90 × 10/27 × 10 = 900/270 - Likewise, for the 2nd fraction, since 10 × 27 = 270,
18/10 = 18 × 27/10 × 27 = 486/270 - Add the two like fractions:
900/270 + 486/270 = 900 + 486/270 = 1386/270 - 1386/270 simplified gives 77/15
- So, 90/27 + 18/10 = 77/15
In mixed form: 52/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/27+36/10 90/54+18/10 90/27+18/20 90/27+54/10 90/81+18/10 90/27+18/30 90/27+90/10 90/27+18/50 90/27+18/70