Add 42/27 and 3/15
1st number: 1 15/27, 2nd number: 3/15
42/27 + 3/15 is 79/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 15 is 135
Next, find the equivalent fraction of both fractional numbers with denominator 135 - For the 1st fraction, since 27 × 5 = 135,
42/27 = 42 × 5/27 × 5 = 210/135 - Likewise, for the 2nd fraction, since 15 × 9 = 135,
3/15 = 3 × 9/15 × 9 = 27/135 - Add the two like fractions:
210/135 + 27/135 = 210 + 27/135 = 237/135 - 237/135 simplified gives 79/45
- So, 42/27 + 3/15 = 79/45
In mixed form: 134/45
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