Add 42/27 and 12/30
1st number: 1 15/27, 2nd number: 12/30
42/27 + 12/30 is 88/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 30 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 27 × 10 = 270,
42/27 = 42 × 10/27 × 10 = 420/270 - Likewise, for the 2nd fraction, since 30 × 9 = 270,
12/30 = 12 × 9/30 × 9 = 108/270 - Add the two like fractions:
420/270 + 108/270 = 420 + 108/270 = 528/270 - 528/270 simplified gives 88/45
- So, 42/27 + 12/30 = 88/45
In mixed form: 143/45
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