Add 21/25 and 8/20
21/25 + 8/20 is 31/25.
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,
8/20 = 8 × 5/20 × 5 = 40/100 - Add the two like fractions:
84/100 + 40/100 = 84 + 40/100 = 124/100 - 124/100 simplified gives 31/25
- So, 21/25 + 8/20 = 31/25
In mixed form: 16/25
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