Add 4/42 and 12/7
1st number: 4/42, 2nd number: 1 5/7
4/42 + 12/7 is 38/21.
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,
4/42 = 4 × 1/42 × 1 = 4/42 - Likewise, for the 2nd fraction, since 7 × 6 = 42,
12/7 = 12 × 6/7 × 6 = 72/42 - Add the two like fractions:
4/42 + 72/42 = 4 + 72/42 = 76/42 - 76/42 simplified gives 38/21
- So, 4/42 + 12/7 = 38/21
In mixed form: 117/21
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