Add 72/75 and 80/42
1st number: 72/75, 2nd number: 1 38/42
72/75 + 80/42 is 1504/525.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 42 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 75 × 14 = 1050,
72/75 = 72 × 14/75 × 14 = 1008/1050 - Likewise, for the 2nd fraction, since 42 × 25 = 1050,
80/42 = 80 × 25/42 × 25 = 2000/1050 - Add the two like fractions:
1008/1050 + 2000/1050 = 1008 + 2000/1050 = 3008/1050 - 3008/1050 simplified gives 1504/525
- So, 72/75 + 80/42 = 1504/525
In mixed form: 2454/525
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