Add 42/2 and 63/9
1st number: 21 0/2, 2nd number: 7 0/9
42/2 + 63/9 is 28/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 9 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 2 × 9 = 18,
42/2 = 42 × 9/2 × 9 = 378/18 - Likewise, for the 2nd fraction, since 9 × 2 = 18,
63/9 = 63 × 2/9 × 2 = 126/18 - Add the two like fractions:
378/18 + 126/18 = 378 + 126/18 = 504/18 - 504/18 simplified gives 28/1
- So, 42/2 + 63/9 = 28/1
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