Add 21/25 and 10/20
21/25 + 10/20 is 67/50.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 20 is 100
Next, find the equivalent fraction of both fractional numbers with denominator 100 - For the 1st fraction, since 25 × 4 = 100,
21/25 = 21 × 4/25 × 4 = 84/100 - Likewise, for the 2nd fraction, since 20 × 5 = 100,
10/20 = 10 × 5/20 × 5 = 50/100 - Add the two like fractions:
84/100 + 50/100 = 84 + 50/100 = 134/100 - 134/100 simplified gives 67/50
- So, 21/25 + 10/20 = 67/50
In mixed form: 117/50
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