Add 72/42 and 90/75
1st number: 1 30/42, 2nd number: 1 15/75
72/42 + 90/75 is 102/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 75 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 42 × 25 = 1050,
72/42 = 72 × 25/42 × 25 = 1800/1050 - Likewise, for the 2nd fraction, since 75 × 14 = 1050,
90/75 = 90 × 14/75 × 14 = 1260/1050 - Add the two like fractions:
1800/1050 + 1260/1050 = 1800 + 1260/1050 = 3060/1050 - 3060/1050 simplified gives 102/35
- So, 72/42 + 90/75 = 102/35
In mixed form: 232/35
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