Add 21/3 and 75/63
1st number: 7 0/3, 2nd number: 1 12/63
21/3 + 75/63 is 172/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 63 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 3 × 21 = 63,
21/3 = 21 × 21/3 × 21 = 441/63 - Likewise, for the 2nd fraction, since 63 × 1 = 63,
75/63 = 75 × 1/63 × 1 = 75/63 - Add the two like fractions:
441/63 + 75/63 = 441 + 75/63 = 516/63 - 516/63 simplified gives 172/21
- So, 21/3 + 75/63 = 172/21
In mixed form: 84/21
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