Add 36/90 and 42/27
1st number: 36/90, 2nd number: 1 15/27
36/90 + 42/27 is 88/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 27 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 90 × 3 = 270,
36/90 = 36 × 3/90 × 3 = 108/270 - Likewise, for the 2nd fraction, since 27 × 10 = 270,
42/27 = 42 × 10/27 × 10 = 420/270 - Add the two like fractions:
108/270 + 420/270 = 108 + 420/270 = 528/270 - 528/270 simplified gives 88/45
- So, 36/90 + 42/27 = 88/45
In mixed form: 143/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/90+42/27 36/90+84/27 36/90+42/54 36/90+42/81