Add 27/5 and 21/90
1st number: 5 2/5, 2nd number: 21/90
27/5 + 21/90 is 169/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 5 × 18 = 90,
27/5 = 27 × 18/5 × 18 = 486/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
21/90 = 21 × 1/90 × 1 = 21/90 - Add the two like fractions:
486/90 + 21/90 = 486 + 21/90 = 507/90 - 507/90 simplified gives 169/30
- So, 27/5 + 21/90 = 169/30
In mixed form: 519/30
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