Add 75/80 and 10/72
75/80 + 10/72 is 155/144.
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,
75/80 = 75 × 9/80 × 9 = 675/720 - Likewise, for the 2nd fraction, since 72 × 10 = 720,
10/72 = 10 × 10/72 × 10 = 100/720 - Add the two like fractions:
675/720 + 100/720 = 675 + 100/720 = 775/720 - 775/720 simplified gives 155/144
- So, 75/80 + 10/72 = 155/144
In mixed form: 111/144
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