Add 6/42 and 5/15
6/42 + 5/15 is 10/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 15 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 42 × 5 = 210,
6/42 = 6 × 5/42 × 5 = 30/210 - Likewise, for the 2nd fraction, since 15 × 14 = 210,
5/15 = 5 × 14/15 × 14 = 70/210 - Add the two like fractions:
30/210 + 70/210 = 30 + 70/210 = 100/210 - 100/210 simplified gives 10/21
- So, 6/42 + 5/15 = 10/21
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