Add 30/80 and 21/50
30/80 + 21/50 is 159/200.
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,
30/80 = 30 × 5/80 × 5 = 150/400 - Likewise, for the 2nd fraction, since 50 × 8 = 400,
21/50 = 21 × 8/50 × 8 = 168/400 - Add the two like fractions:
150/400 + 168/400 = 150 + 168/400 = 318/400 - 318/400 simplified gives 159/200
- So, 30/80 + 21/50 = 159/200
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