Add 75/63 and 30/7
1st number: 1 12/63, 2nd number: 4 2/7
75/63 + 30/7 is 115/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 7 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 63 × 1 = 63,
75/63 = 75 × 1/63 × 1 = 75/63 - Likewise, for the 2nd fraction, since 7 × 9 = 63,
30/7 = 30 × 9/7 × 9 = 270/63 - Add the two like fractions:
75/63 + 270/63 = 75 + 270/63 = 345/63 - 345/63 simplified gives 115/21
- So, 75/63 + 30/7 = 115/21
In mixed form: 510/21
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