Add 18/63 and 25/21
1st number: 18/63, 2nd number: 1 4/21
18/63 + 25/21 is 31/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 21 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 63 × 1 = 63,
18/63 = 18 × 1/63 × 1 = 18/63 - Likewise, for the 2nd fraction, since 21 × 3 = 63,
25/21 = 25 × 3/21 × 3 = 75/63 - Add the two like fractions:
18/63 + 75/63 = 18 + 75/63 = 93/63 - 93/63 simplified gives 31/21
- So, 18/63 + 25/21 = 31/21
In mixed form: 110/21
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