Add 18/15 and 75/80
1st number: 1 3/15, 2nd number: 75/80
18/15 + 75/80 is 171/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 15 × 16 = 240,
18/15 = 18 × 16/15 × 16 = 288/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
75/80 = 75 × 3/80 × 3 = 225/240 - Add the two like fractions:
288/240 + 225/240 = 288 + 225/240 = 513/240 - 513/240 simplified gives 171/80
- So, 18/15 + 75/80 = 171/80
In mixed form: 211/80
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