Add 21/63 and 42/36
1st number: 21/63, 2nd number: 1 6/36
21/63 + 42/36 is 3/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 36 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 63 × 4 = 252,
21/63 = 21 × 4/63 × 4 = 84/252 - Likewise, for the 2nd fraction, since 36 × 7 = 252,
42/36 = 42 × 7/36 × 7 = 294/252 - Add the two like fractions:
84/252 + 294/252 = 84 + 294/252 = 378/252 - 378/252 simplified gives 3/2
- So, 21/63 + 42/36 = 3/2
In mixed form: 11/2
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