Add 15/6 and 21/42
1st number: 2 3/6, 2nd number: 21/42
156 + 2142 is 31.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 42 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 6 × 7 = 42,
156 = 15 × 76 × 7 = 10542 - Likewise, for the 2nd fraction, since 42 × 1 = 42,
2142 = 21 × 142 × 1 = 2142 - Add the two like fractions:
10542 + 2142 = 105 + 2142 = 12642 - 126/42 simplified gives 31
- So, 15/6 + 21/42 = 3/1
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