Add 28/75 and 42/80
28/75 + 42/80 is 539/600.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 80 is 1200
Next, find the equivalent fraction of both fractional numbers with denominator 1200 - For the 1st fraction, since 75 × 16 = 1200,
28/75 = 28 × 16/75 × 16 = 448/1200 - Likewise, for the 2nd fraction, since 80 × 15 = 1200,
42/80 = 42 × 15/80 × 15 = 630/1200 - Add the two like fractions:
448/1200 + 630/1200 = 448 + 630/1200 = 1078/1200 - 1078/1200 simplified gives 539/600
- So, 28/75 + 42/80 = 539/600
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