Add 10/42 and 81/28
1st number: 10/42, 2nd number: 2 25/28
10/42 + 81/28 is 263/84.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 28 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 42 × 2 = 84,
10/42 = 10 × 2/42 × 2 = 20/84 - Likewise, for the 2nd fraction, since 28 × 3 = 84,
81/28 = 81 × 3/28 × 3 = 243/84 - Add the two like fractions:
20/84 + 243/84 = 20 + 243/84 = 263/84 - So, 10/42 + 81/28 = 263/84
In mixed form: 311/84
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