Add 27/80 and 15/12
1st number: 27/80, 2nd number: 1 3/12
27/80 + 15/12 is 127/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 12 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 80 × 3 = 240,
27/80 = 27 × 3/80 × 3 = 81/240 - Likewise, for the 2nd fraction, since 12 × 20 = 240,
15/12 = 15 × 20/12 × 20 = 300/240 - Add the two like fractions:
81/240 + 300/240 = 81 + 300/240 = 381/240 - 381/240 simplified gives 127/80
- So, 27/80 + 15/12 = 127/80
In mixed form: 147/80
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