Add 42/90 and 6/9
42/90 + 6/9 is 17/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 9 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 9 × 10 = 90,
6/9 = 6 × 10/9 × 10 = 60/90 - Add the two like fractions:
42/90 + 60/90 = 42 + 60/90 = 102/90 - 102/90 simplified gives 17/15
- So, 42/90 + 6/9 = 17/15
In mixed form: 12/15
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