Add 72/80 and 30/75
72/80 + 30/75 is 13/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 75 is 1200
Next, find the equivalent fraction of both fractional numbers with denominator 1200 - For the 1st fraction, since 80 × 15 = 1200,
72/80 = 72 × 15/80 × 15 = 1080/1200 - Likewise, for the 2nd fraction, since 75 × 16 = 1200,
30/75 = 30 × 16/75 × 16 = 480/1200 - Add the two like fractions:
1080/1200 + 480/1200 = 1080 + 480/1200 = 1560/1200 - 1560/1200 simplified gives 13/10
- So, 72/80 + 30/75 = 13/10
In mixed form: 13/10
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