Add 81/6 and 42/56
1st number: 13 3/6, 2nd number: 42/56
81/6 + 42/56 is 57/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 56 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 6 × 28 = 168,
81/6 = 81 × 28/6 × 28 = 2268/168 - Likewise, for the 2nd fraction, since 56 × 3 = 168,
42/56 = 42 × 3/56 × 3 = 126/168 - Add the two like fractions:
2268/168 + 126/168 = 2268 + 126/168 = 2394/168 - 2394/168 simplified gives 57/4
- So, 81/6 + 42/56 = 57/4
In mixed form: 141/4
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