Add 21/20 and 2/4
1st number: 1 1/20, 2nd number: 2/4
21/20 + 2/4 is 31/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 4 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 20 × 1 = 20,
21/20 = 21 × 1/20 × 1 = 21/20 - Likewise, for the 2nd fraction, since 4 × 5 = 20,
2/4 = 2 × 5/4 × 5 = 10/20 - Add the two like fractions:
21/20 + 10/20 = 21 + 10/20 = 31/20 - So, 21/20 + 2/4 = 31/20
In mixed form: 111/20
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