Add 30/42 and 21/4
1st number: 30/42, 2nd number: 5 1/4
30/42 + 21/4 is 167/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 4 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 42 × 2 = 84,
30/42 = 30 × 2/42 × 2 = 60/84 - Likewise, for the 2nd fraction, since 4 × 21 = 84,
21/4 = 21 × 21/4 × 21 = 441/84 - Add the two like fractions:
60/84 + 441/84 = 60 + 441/84 = 501/84 - 501/84 simplified gives 167/28
- So, 30/42 + 21/4 = 167/28
In mixed form: 527/28
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