Add 36/54 and 42/90
36/54 + 42/90 is 17/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 90 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 54 × 5 = 270,
36/54 = 36 × 5/54 × 5 = 180/270 - Likewise, for the 2nd fraction, since 90 × 3 = 270,
42/90 = 42 × 3/90 × 3 = 126/270 - Add the two like fractions:
180/270 + 126/270 = 180 + 126/270 = 306/270 - 306/270 simplified gives 17/15
- So, 36/54 + 42/90 = 17/15
In mixed form: 12/15
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