Add 18/5 and 80/54
1st number: 3 3/5, 2nd number: 1 26/54
18/5 + 80/54 is 686/135.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 54 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 5 × 54 = 270,
18/5 = 18 × 54/5 × 54 = 972/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
80/54 = 80 × 5/54 × 5 = 400/270 - Add the two like fractions:
972/270 + 400/270 = 972 + 400/270 = 1372/270 - 1372/270 simplified gives 686/135
- So, 18/5 + 80/54 = 686/135
In mixed form: 511/135
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