Add 15/80 and 42/24
1st number: 15/80, 2nd number: 1 18/24
15/80 + 42/24 is 31/16.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 24 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 80 × 3 = 240,
15/80 = 15 × 3/80 × 3 = 45/240 - Likewise, for the 2nd fraction, since 24 × 10 = 240,
42/24 = 42 × 10/24 × 10 = 420/240 - Add the two like fractions:
45/240 + 420/240 = 45 + 420/240 = 465/240 - 465/240 simplified gives 31/16
- So, 15/80 + 42/24 = 31/16
In mixed form: 115/16
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