Add 42/5 and 27/90
1st number: 8 2/5, 2nd number: 27/90
42/5 + 27/90 is 87/10.
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,
42/5 = 42 × 18/5 × 18 = 756/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
27/90 = 27 × 1/90 × 1 = 27/90 - Add the two like fractions:
756/90 + 27/90 = 756 + 27/90 = 783/90 - 783/90 simplified gives 87/10
- So, 42/5 + 27/90 = 87/10
In mixed form: 87/10
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