Add 75/90 and 75/63
1st number: 75/90, 2nd number: 1 12/63
75/90 + 75/63 is 85/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 63 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 90 × 7 = 630,
75/90 = 75 × 7/90 × 7 = 525/630 - Likewise, for the 2nd fraction, since 63 × 10 = 630,
75/63 = 75 × 10/63 × 10 = 750/630 - Add the two like fractions:
525/630 + 750/630 = 525 + 750/630 = 1275/630 - 1275/630 simplified gives 85/42
- So, 75/90 + 75/63 = 85/42
In mixed form: 21/42
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