Add 84/80 and 18/15
1st number: 1 4/80, 2nd number: 1 3/15
84/80 + 18/15 is 9/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 15 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 80 × 3 = 240,
84/80 = 84 × 3/80 × 3 = 252/240 - Likewise, for the 2nd fraction, since 15 × 16 = 240,
18/15 = 18 × 16/15 × 16 = 288/240 - Add the two like fractions:
252/240 + 288/240 = 252 + 288/240 = 540/240 - 540/240 simplified gives 9/4
- So, 84/80 + 18/15 = 9/4
In mixed form: 21/4
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