Add 15/27 and 42/90
15/27 + 42/90 is 46/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 90 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 27 × 10 = 270,
15/27 = 15 × 10/27 × 10 = 150/270 - Likewise, for the 2nd fraction, since 90 × 3 = 270,
42/90 = 42 × 3/90 × 3 = 126/270 - Add the two like fractions:
150/270 + 126/270 = 150 + 126/270 = 276/270 - 276/270 simplified gives 46/45
- So, 15/27 + 42/90 = 46/45
In mixed form: 11/45
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