Add 45/42 and 84/56
1st number: 1 3/42, 2nd number: 1 28/56
45/42 + 84/56 is 18/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 56 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 42 × 4 = 168,
45/42 = 45 × 4/42 × 4 = 180/168 - Likewise, for the 2nd fraction, since 56 × 3 = 168,
84/56 = 84 × 3/56 × 3 = 252/168 - Add the two like fractions:
180/168 + 252/168 = 180 + 252/168 = 432/168 - 432/168 simplified gives 18/7
- So, 45/42 + 84/56 = 18/7
In mixed form: 24/7
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