Add 7/80 and 21/5
1st number: 7/80, 2nd number: 4 1/5
7/80 + 21/5 is 343/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 5 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 80 × 1 = 80,
7/80 = 7 × 1/80 × 1 = 7/80 - Likewise, for the 2nd fraction, since 5 × 16 = 80,
21/5 = 21 × 16/5 × 16 = 336/80 - Add the two like fractions:
7/80 + 336/80 = 7 + 336/80 = 343/80 - So, 7/80 + 21/5 = 343/80
In mixed form: 423/80
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