Add 21/20 and 10/80
1st number: 1 1/20, 2nd number: 10/80
21/20 + 10/80 is 47/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 20 × 4 = 80,
21/20 = 21 × 4/20 × 4 = 84/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
10/80 = 10 × 1/80 × 1 = 10/80 - Add the two like fractions:
84/80 + 10/80 = 84 + 10/80 = 94/80 - 94/80 simplified gives 47/40
- So, 21/20 + 10/80 = 47/40
In mixed form: 17/40
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