Add 6/21 and 42/6
1st number: 6/21, 2nd number: 7 0/6
6/21 + 42/6 is 51/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 6 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 21 × 2 = 42,
6/21 = 6 × 2/21 × 2 = 12/42 - Likewise, for the 2nd fraction, since 6 × 7 = 42,
42/6 = 42 × 7/6 × 7 = 294/42 - Add the two like fractions:
12/42 + 294/42 = 12 + 294/42 = 306/42 - 306/42 simplified gives 51/7
- So, 6/21 + 42/6 = 51/7
In mixed form: 72/7
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