Add 18/15 and 27/80
1st number: 1 3/15, 2nd number: 27/80
18/15 + 27/80 is 123/80.
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,
18/15 = 18 × 16/15 × 16 = 288/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
27/80 = 27 × 3/80 × 3 = 81/240 - Add the two like fractions:
288/240 + 81/240 = 288 + 81/240 = 369/240 - 369/240 simplified gives 123/80
- So, 18/15 + 27/80 = 123/80
In mixed form: 143/80
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