Add 18/36 and 40/80
18/36 + 40/80 is 1/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 80 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 36 × 20 = 720,
18/36 = 18 × 20/36 × 20 = 360/720 - Likewise, for the 2nd fraction, since 80 × 9 = 720,
40/80 = 40 × 9/80 × 9 = 360/720 - Add the two like fractions:
360/720 + 360/720 = 360 + 360/720 = 720/720 - 720/720 simplified gives 1/1
- So, 18/36 + 40/80 = 1/1
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