Add 90/30 and 20/63
1st number: 3 0/30, 2nd number: 20/63
90/30 + 20/63 is 209/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 63 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 30 × 21 = 630,
90/30 = 90 × 21/30 × 21 = 1890/630 - Likewise, for the 2nd fraction, since 63 × 10 = 630,
20/63 = 20 × 10/63 × 10 = 200/630 - Add the two like fractions:
1890/630 + 200/630 = 1890 + 200/630 = 2090/630 - 2090/630 simplified gives 209/63
- So, 90/30 + 20/63 = 209/63
In mixed form: 320/63
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