Add 7/63 and 84/90
7/63 + 84/90 is 47/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 90 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 63 × 10 = 630,
7/63 = 7 × 10/63 × 10 = 70/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
84/90 = 84 × 7/90 × 7 = 588/630 - Add the two like fractions:
70/630 + 588/630 = 70 + 588/630 = 658/630 - 658/630 simplified gives 47/45
- So, 7/63 + 84/90 = 47/45
In mixed form: 12/45
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