Add 12/40 and 21/50
12/40 + 21/50 is 18/25.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 50 is 200
Next, find the equivalent fraction of both fractional numbers with denominator 200 - For the 1st fraction, since 40 × 5 = 200,
12/40 = 12 × 5/40 × 5 = 60/200 - Likewise, for the 2nd fraction, since 50 × 4 = 200,
21/50 = 21 × 4/50 × 4 = 84/200 - Add the two like fractions:
60/200 + 84/200 = 60 + 84/200 = 144/200 - 144/200 simplified gives 18/25
- So, 12/40 + 21/50 = 18/25
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