Add 45/80 and 21/50
45/80 + 21/50 is 393/400.
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,
45/80 = 45 × 5/80 × 5 = 225/400 - Likewise, for the 2nd fraction, since 50 × 8 = 400,
21/50 = 21 × 8/50 × 8 = 168/400 - Add the two like fractions:
225/400 + 168/400 = 225 + 168/400 = 393/400 - So, 45/80 + 21/50 = 393/400
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