Add 30/80 and 42/24
1st number: 30/80, 2nd number: 1 18/24
30/80 + 42/24 is 17/8.
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,
30/80 = 30 × 3/80 × 3 = 90/240 - Likewise, for the 2nd fraction, since 24 × 10 = 240,
42/24 = 42 × 10/24 × 10 = 420/240 - Add the two like fractions:
90/240 + 420/240 = 90 + 420/240 = 510/240 - 510/240 simplified gives 17/8
- So, 30/80 + 42/24 = 17/8
In mixed form: 21/8
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