Add 42/80 and 18/25
42/80 + 18/25 is 249/200.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 25 is 400
Next, find the equivalent fraction of both fractional numbers with denominator 400 - For the 1st fraction, since 80 × 5 = 400,
42/80 = 42 × 5/80 × 5 = 210/400 - Likewise, for the 2nd fraction, since 25 × 16 = 400,
18/25 = 18 × 16/25 × 16 = 288/400 - Add the two like fractions:
210/400 + 288/400 = 210 + 288/400 = 498/400 - 498/400 simplified gives 249/200
- So, 42/80 + 18/25 = 249/200
In mixed form: 149/200
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