Add 21/50 and 9/10
21/50 + 9/10 is 33/25.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 10 is 50
Next, find the equivalent fraction of both fractional numbers with denominator 50 - For the 1st fraction, since 50 × 1 = 50,
21/50 = 21 × 1/50 × 1 = 21/50 - Likewise, for the 2nd fraction, since 10 × 5 = 50,
9/10 = 9 × 5/10 × 5 = 45/50 - Add the two like fractions:
21/50 + 45/50 = 21 + 45/50 = 66/50 - 66/50 simplified gives 33/25
- So, 21/50 + 9/10 = 33/25
In mixed form: 18/25
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