Add 7/20 and 84/80
1st number: 7/20, 2nd number: 1 4/80
7/20 + 84/80 is 7/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 20 × 4 = 80,
7/20 = 7 × 4/20 × 4 = 28/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
84/80 = 84 × 1/80 × 1 = 84/80 - Add the two like fractions:
28/80 + 84/80 = 28 + 84/80 = 112/80 - 112/80 simplified gives 7/5
- So, 7/20 + 84/80 = 7/5
In mixed form: 12/5
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