Add 7/80 and 75/72
1st number: 7/80, 2nd number: 1 3/72
7/80 + 75/72 is 271/240.
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,
7/80 = 7 × 9/80 × 9 = 63/720 - Likewise, for the 2nd fraction, since 72 × 10 = 720,
75/72 = 75 × 10/72 × 10 = 750/720 - Add the two like fractions:
63/720 + 750/720 = 63 + 750/720 = 813/720 - 813/720 simplified gives 271/240
- So, 7/80 + 75/72 = 271/240
In mixed form: 131/240
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