Add 27/15 and 84/80
1st number: 1 12/15, 2nd number: 1 4/80
27/15 + 84/80 is 57/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 15 × 16 = 240,
27/15 = 27 × 16/15 × 16 = 432/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
84/80 = 84 × 3/80 × 3 = 252/240 - Add the two like fractions:
432/240 + 252/240 = 432 + 252/240 = 684/240 - 684/240 simplified gives 57/20
- So, 27/15 + 84/80 = 57/20
In mixed form: 217/20
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