Add 90/27 and 42/10
1st number: 3 9/27, 2nd number: 4 2/10
90/27 + 42/10 is 113/15.
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,
42/10 = 42 × 27/10 × 27 = 1134/270 - Add the two like fractions:
900/270 + 1134/270 = 900 + 1134/270 = 2034/270 - 2034/270 simplified gives 113/15
- So, 90/27 + 42/10 = 113/15
In mixed form: 78/15
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