Add 1/72 and 75/80
1/72 + 75/80 is 137/144.
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,
1/72 = 1 × 10/72 × 10 = 10/720 - Likewise, for the 2nd fraction, since 80 × 9 = 720,
75/80 = 75 × 9/80 × 9 = 675/720 - Add the two like fractions:
10/720 + 675/720 = 10 + 675/720 = 685/720 - 685/720 simplified gives 137/144
- So, 1/72 + 75/80 = 137/144
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