Add 28/21 and 2/63
1st number: 1 7/21, 2nd number: 2/63
28/21 + 2/63 is 86/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 63 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 21 × 3 = 63,
28/21 = 28 × 3/21 × 3 = 84/63 - Likewise, for the 2nd fraction, since 63 × 1 = 63,
2/63 = 2 × 1/63 × 1 = 2/63 - Add the two like fractions:
84/63 + 2/63 = 84 + 2/63 = 86/63 - So, 28/21 + 2/63 = 86/63
In mixed form: 123/63
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