Add 30/56 and 45/42
1st number: 30/56, 2nd number: 1 3/42
30/56 + 45/42 is 45/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 42 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 56 × 3 = 168,
30/56 = 30 × 3/56 × 3 = 90/168 - Likewise, for the 2nd fraction, since 42 × 4 = 168,
45/42 = 45 × 4/42 × 4 = 180/168 - Add the two like fractions:
90/168 + 180/168 = 90 + 180/168 = 270/168 - 270/168 simplified gives 45/28
- So, 30/56 + 45/42 = 45/28
In mixed form: 117/28
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