Add 3/42 and 90/27
1st number: 3/42, 2nd number: 3 9/27
3/42 + 90/27 is 143/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 27 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 42 × 9 = 378,
3/42 = 3 × 9/42 × 9 = 27/378 - Likewise, for the 2nd fraction, since 27 × 14 = 378,
90/27 = 90 × 14/27 × 14 = 1260/378 - Add the two like fractions:
27/378 + 1260/378 = 27 + 1260/378 = 1287/378 - 1287/378 simplified gives 143/42
- So, 3/42 + 90/27 = 143/42
In mixed form: 317/42
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