Add 10/15 and 72/27
1st number: 10/15, 2nd number: 2 18/27
10/15 + 72/27 is 10/3.
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,
10/15 = 10 × 9/15 × 9 = 90/135 - Likewise, for the 2nd fraction, since 27 × 5 = 135,
72/27 = 72 × 5/27 × 5 = 360/135 - Add the two like fractions:
90/135 + 360/135 = 90 + 360/135 = 450/135 - 450/135 simplified gives 10/3
- So, 10/15 + 72/27 = 10/3
In mixed form: 31/3
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