Add 81/27 and 42/45
1st number: 3 0/27, 2nd number: 42/45
81/27 + 42/45 is 59/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 45 is 135
Next, find the equivalent fraction of both fractional numbers with denominator 135 - For the 1st fraction, since 27 × 5 = 135,
81/27 = 81 × 5/27 × 5 = 405/135 - Likewise, for the 2nd fraction, since 45 × 3 = 135,
42/45 = 42 × 3/45 × 3 = 126/135 - Add the two like fractions:
405/135 + 126/135 = 405 + 126/135 = 531/135 - 531/135 simplified gives 59/15
- So, 81/27 + 42/45 = 59/15
In mixed form: 314/15
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