Add 20/5 and 81/80
1st number: 4 0/5, 2nd number: 1 1/80
20/5 + 81/80 is 401/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 5 × 16 = 80,
20/5 = 20 × 16/5 × 16 = 320/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
81/80 = 81 × 1/80 × 1 = 81/80 - Add the two like fractions:
320/80 + 81/80 = 320 + 81/80 = 401/80 - So, 20/5 + 81/80 = 401/80
In mixed form: 51/80
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