Add 15/50 and 42/80
15/50 + 42/80 is 33/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 80 is 400
Next, find the equivalent fraction of both fractional numbers with denominator 400 - For the 1st fraction, since 50 × 8 = 400,
15/50 = 15 × 8/50 × 8 = 120/400 - Likewise, for the 2nd fraction, since 80 × 5 = 400,
42/80 = 42 × 5/80 × 5 = 210/400 - Add the two like fractions:
120/400 + 210/400 = 120 + 210/400 = 330/400 - 330/400 simplified gives 33/40
- So, 15/50 + 42/80 = 33/40
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