Add 20/21 and 72/6
1st number: 20/21, 2nd number: 12 0/6
20/21 + 72/6 is 272/21.
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,
20/21 = 20 × 2/21 × 2 = 40/42 - Likewise, for the 2nd fraction, since 6 × 7 = 42,
72/6 = 72 × 7/6 × 7 = 504/42 - Add the two like fractions:
40/42 + 504/42 = 40 + 504/42 = 544/42 - 544/42 simplified gives 272/21
- So, 20/21 + 72/6 = 272/21
In mixed form: 1220/21
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