Add 21/10 and 27/80
1st number: 2 1/10, 2nd number: 27/80
21/10 + 27/80 is 39/16.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 10 × 8 = 80,
21/10 = 21 × 8/10 × 8 = 168/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
27/80 = 27 × 1/80 × 1 = 27/80 - Add the two like fractions:
168/80 + 27/80 = 168 + 27/80 = 195/80 - 195/80 simplified gives 39/16
- So, 21/10 + 27/80 = 39/16
In mixed form: 27/16
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