Add 42/90 and 3/5
42/90 + 3/5 is 16/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 5 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
42/90 = 42 × 1/90 × 1 = 42/90 - Likewise, for the 2nd fraction, since 5 × 18 = 90,
3/5 = 3 × 18/5 × 18 = 54/90 - Add the two like fractions:
42/90 + 54/90 = 42 + 54/90 = 96/90 - 96/90 simplified gives 16/15
- So, 42/90 + 3/5 = 16/15
In mixed form: 11/15
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