Add 21/50 and 20/40
21/50 + 20/40 is 23/25.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 40 is 200
Next, find the equivalent fraction of both fractional numbers with denominator 200 - For the 1st fraction, since 50 × 4 = 200,
21/50 = 21 × 4/50 × 4 = 84/200 - Likewise, for the 2nd fraction, since 40 × 5 = 200,
20/40 = 20 × 5/40 × 5 = 100/200 - Add the two like fractions:
84/200 + 100/200 = 84 + 100/200 = 184/200 - 184/200 simplified gives 23/25
- So, 21/50 + 20/40 = 23/25
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