Add 90/42 and 81/75
1st number: 2 6/42, 2nd number: 1 6/75
90/42 + 81/75 is 564/175.
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,
90/42 = 90 × 25/42 × 25 = 2250/1050 - Likewise, for the 2nd fraction, since 75 × 14 = 1050,
81/75 = 81 × 14/75 × 14 = 1134/1050 - Add the two like fractions:
2250/1050 + 1134/1050 = 2250 + 1134/1050 = 3384/1050 - 3384/1050 simplified gives 564/175
- So, 90/42 + 81/75 = 564/175
In mixed form: 339/175
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