Add 21/50 and 36/80
21/50 + 36/80 is 87/100.
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,
21/50 = 21 × 8/50 × 8 = 168/400 - Likewise, for the 2nd fraction, since 80 × 5 = 400,
36/80 = 36 × 5/80 × 5 = 180/400 - Add the two like fractions:
168/400 + 180/400 = 168 + 180/400 = 348/400 - 348/400 simplified gives 87/100
- So, 21/50 + 36/80 = 87/100
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