Add 30/2 and 54/42
1st number: 15 0/2, 2nd number: 1 12/42
30/2 + 54/42 is 114/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 42 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 2 × 21 = 42,
30/2 = 30 × 21/2 × 21 = 630/42 - Likewise, for the 2nd fraction, since 42 × 1 = 42,
54/42 = 54 × 1/42 × 1 = 54/42 - Add the two like fractions:
630/42 + 54/42 = 630 + 54/42 = 684/42 - 684/42 simplified gives 114/7
- So, 30/2 + 54/42 = 114/7
In mixed form: 162/7
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