Add 8/6 and 42/21
1st number: 1 2/6, 2nd number: 2 0/21
86 + 4221 is 103.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 21 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 6 × 7 = 42,
86 = 8 × 76 × 7 = 5642 - Likewise, for the 2nd fraction, since 21 × 2 = 42,
4221 = 42 × 221 × 2 = 8442 - Add the two like fractions:
5642 + 8442 = 56 + 8442 = 14042 - 140/42 simplified gives 103
- So, 8/6 + 42/21 = 10/3
In mixed form: 313
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