Add 5/3 and 81/80
1st number: 1 2/3, 2nd number: 1 1/80
5/3 + 81/80 is 643/240.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 3 × 80 = 240,
5/3 = 5 × 80/3 × 80 = 400/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
81/80 = 81 × 3/80 × 3 = 243/240 - Add the two like fractions:
400/240 + 243/240 = 400 + 243/240 = 643/240 - So, 5/3 + 81/80 = 643/240
In mixed form: 2163/240
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