Add 30/42 and 21/14
1st number: 30/42, 2nd number: 1 7/14
30/42 + 21/14 is 31/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 14 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 42 × 1 = 42,
30/42 = 30 × 1/42 × 1 = 30/42 - Likewise, for the 2nd fraction, since 14 × 3 = 42,
21/14 = 21 × 3/14 × 3 = 63/42 - Add the two like fractions:
30/42 + 63/42 = 30 + 63/42 = 93/42 - 93/42 simplified gives 31/14
- So, 30/42 + 21/14 = 31/14
In mixed form: 23/14
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