Add 8/72 and 20/80
8/72 + 20/80 is 13/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 80 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 72 × 10 = 720,
8/72 = 8 × 10/72 × 10 = 80/720 - Likewise, for the 2nd fraction, since 80 × 9 = 720,
20/80 = 20 × 9/80 × 9 = 180/720 - Add the two like fractions:
80/720 + 180/720 = 80 + 180/720 = 260/720 - 260/720 simplified gives 13/36
- So, 8/72 + 20/80 = 13/36
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