Add 72/80 and 18/75
72/80 + 18/75 is 57/50.
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,
18/75 = 18 × 16/75 × 16 = 288/1200 - Add the two like fractions:
1080/1200 + 288/1200 = 1080 + 288/1200 = 1368/1200 - 1368/1200 simplified gives 57/50
- So, 72/80 + 18/75 = 57/50
In mixed form: 17/50
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