Add 15/42 and 5/6
15/42 + 5/6 is 25/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 6 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 42 × 1 = 42,
15/42 = 15 × 1/42 × 1 = 15/42 - Likewise, for the 2nd fraction, since 6 × 7 = 42,
5/6 = 5 × 7/6 × 7 = 35/42 - Add the two like fractions:
15/42 + 35/42 = 15 + 35/42 = 50/42 - 50/42 simplified gives 25/21
- So, 15/42 + 5/6 = 25/21
In mixed form: 14/21
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