Add 90/42 and 81/14
1st number: 2 6/42, 2nd number: 5 11/14
90/42 + 81/14 is 111/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 14 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 42 × 1 = 42,
90/42 = 90 × 1/42 × 1 = 90/42 - Likewise, for the 2nd fraction, since 14 × 3 = 42,
81/14 = 81 × 3/14 × 3 = 243/42 - Add the two like fractions:
90/42 + 243/42 = 90 + 243/42 = 333/42 - 333/42 simplified gives 111/14
- So, 90/42 + 81/14 = 111/14
In mixed form: 713/14
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