Add 75/63 and 36/42
1st number: 1 12/63, 2nd number: 36/42
75/63 + 36/42 is 43/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 42 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 63 × 2 = 126,
75/63 = 75 × 2/63 × 2 = 150/126 - Likewise, for the 2nd fraction, since 42 × 3 = 126,
36/42 = 36 × 3/42 × 3 = 108/126 - Add the two like fractions:
150/126 + 108/126 = 150 + 108/126 = 258/126 - 258/126 simplified gives 43/21
- So, 75/63 + 36/42 = 43/21
In mixed form: 21/21
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