Add 18/72 and 1/80
18/72 + 1/80 is 21/80.
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,
18/72 = 18 × 10/72 × 10 = 180/720 - Likewise, for the 2nd fraction, since 80 × 9 = 720,
1/80 = 1 × 9/80 × 9 = 9/720 - Add the two like fractions:
180/720 + 9/720 = 180 + 9/720 = 189/720 - 189/720 simplified gives 21/80
- So, 18/72 + 1/80 = 21/80
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