Add 20/80 and 10/72
20/80 + 10/72 is 7/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 72 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 80 × 9 = 720,
20/80 = 20 × 9/80 × 9 = 180/720 - Likewise, for the 2nd fraction, since 72 × 10 = 720,
10/72 = 10 × 10/72 × 10 = 100/720 - Add the two like fractions:
180/720 + 100/720 = 180 + 100/720 = 280/720 - 280/720 simplified gives 7/18
- So, 20/80 + 10/72 = 7/18
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