Add 7/80 and 21/6
1st number: 7/80, 2nd number: 3 3/6
7/80 + 21/6 is 287/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 6 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 80 × 3 = 240,
7/80 = 7 × 3/80 × 3 = 21/240 - Likewise, for the 2nd fraction, since 6 × 40 = 240,
21/6 = 21 × 40/6 × 40 = 840/240 - Add the two like fractions:
21/240 + 840/240 = 21 + 840/240 = 861/240 - 861/240 simplified gives 287/80
- So, 7/80 + 21/6 = 287/80
In mixed form: 347/80
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