Add 42/90 and 16/27
42/90 + 16/27 is 143/135.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 27 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 90 × 3 = 270,
42/90 = 42 × 3/90 × 3 = 126/270 - Likewise, for the 2nd fraction, since 27 × 10 = 270,
16/27 = 16 × 10/27 × 10 = 160/270 - Add the two like fractions:
126/270 + 160/270 = 126 + 160/270 = 286/270 - 286/270 simplified gives 143/135
- So, 42/90 + 16/27 = 143/135
In mixed form: 18/135
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