Add 18/42 and 56/28
1st number: 18/42, 2nd number: 2 0/28
18/42 + 56/28 is 17/7.
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,
18/42 = 18 × 2/42 × 2 = 36/84 - Likewise, for the 2nd fraction, since 28 × 3 = 84,
56/28 = 56 × 3/28 × 3 = 168/84 - Add the two like fractions:
36/84 + 168/84 = 36 + 168/84 = 204/84 - 204/84 simplified gives 17/7
- So, 18/42 + 56/28 = 17/7
In mixed form: 23/7
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