Add 27/18 and 42/90
1st number: 1 9/18, 2nd number: 42/90
27/18 + 42/90 is 59/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
27/18 = 27 × 5/18 × 5 = 135/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
42/90 = 42 × 1/90 × 1 = 42/90 - Add the two like fractions:
135/90 + 42/90 = 135 + 42/90 = 177/90 - 177/90 simplified gives 59/30
- So, 27/18 + 42/90 = 59/30
In mixed form: 129/30
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