Add 12/18 and 75/80
12/18 + 75/80 is 77/48.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 80 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 18 × 40 = 720,
12/18 = 12 × 40/18 × 40 = 480/720 - Likewise, for the 2nd fraction, since 80 × 9 = 720,
75/80 = 75 × 9/80 × 9 = 675/720 - Add the two like fractions:
480/720 + 675/720 = 480 + 675/720 = 1155/720 - 1155/720 simplified gives 77/48
- So, 12/18 + 75/80 = 77/48
In mixed form: 129/48
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