Add 21/50 and 8/40
21/50 + 8/40 is 31/50.
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,
8/40 = 8 × 5/40 × 5 = 40/200 - Add the two like fractions:
84/200 + 40/200 = 84 + 40/200 = 124/200 - 124/200 simplified gives 31/50
- So, 21/50 + 8/40 = 31/50
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