Add 30/42 and 15/7
1st number: 30/42, 2nd number: 2 1/7
30/42 + 15/7 is 20/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 7 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 7 × 6 = 42,
15/7 = 15 × 6/7 × 6 = 90/42 - Add the two like fractions:
30/42 + 90/42 = 30 + 90/42 = 120/42 - 120/42 simplified gives 20/7
- So, 30/42 + 15/7 = 20/7
In mixed form: 26/7
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