Add 28/80 and 35/50
28/80 + 35/50 is 21/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 50 is 400
Next, find the equivalent fraction of both fractional numbers with denominator 400 - For the 1st fraction, since 80 × 5 = 400,
28/80 = 28 × 5/80 × 5 = 140/400 - Likewise, for the 2nd fraction, since 50 × 8 = 400,
35/50 = 35 × 8/50 × 8 = 280/400 - Add the two like fractions:
140/400 + 280/400 = 140 + 280/400 = 420/400 - 420/400 simplified gives 21/20
- So, 28/80 + 35/50 = 21/20
In mixed form: 11/20
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