Add 10/42 and 90/27
1st number: 10/42, 2nd number: 3 9/27
10/42 + 90/27 is 25/7.
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,
10/42 = 10 × 9/42 × 9 = 90/378 - Likewise, for the 2nd fraction, since 27 × 14 = 378,
90/27 = 90 × 14/27 × 14 = 1260/378 - Add the two like fractions:
90/378 + 1260/378 = 90 + 1260/378 = 1350/378 - 1350/378 simplified gives 25/7
- So, 10/42 + 90/27 = 25/7
In mixed form: 34/7
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