Add 90/15 and 42/27
1st number: 6 0/15, 2nd number: 1 15/27
90/15 + 42/27 is 68/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 27 is 135
Next, find the equivalent fraction of both fractional numbers with denominator 135 - For the 1st fraction, since 15 × 9 = 135,
90/15 = 90 × 9/15 × 9 = 810/135 - Likewise, for the 2nd fraction, since 27 × 5 = 135,
42/27 = 42 × 5/27 × 5 = 210/135 - Add the two like fractions:
810/135 + 210/135 = 810 + 210/135 = 1020/135 - 1020/135 simplified gives 68/9
- So, 90/15 + 42/27 = 68/9
In mixed form: 75/9
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