Add 7/90 and 42/27
1st number: 7/90, 2nd number: 1 15/27
7/90 + 42/27 is 49/30.
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,
7/90 = 7 × 3/90 × 3 = 21/270 - Likewise, for the 2nd fraction, since 27 × 10 = 270,
42/27 = 42 × 10/27 × 10 = 420/270 - Add the two like fractions:
21/270 + 420/270 = 21 + 420/270 = 441/270 - 441/270 simplified gives 49/30
- So, 7/90 + 42/27 = 49/30
In mixed form: 119/30
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