Add 30/10 and 90/63
1st number: 3 0/10, 2nd number: 1 27/63
30/10 + 90/63 is 31/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 63 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 10 × 63 = 630,
30/10 = 30 × 63/10 × 63 = 1890/630 - Likewise, for the 2nd fraction, since 63 × 10 = 630,
90/63 = 90 × 10/63 × 10 = 900/630 - Add the two like fractions:
1890/630 + 900/630 = 1890 + 900/630 = 2790/630 - 2790/630 simplified gives 31/7
- So, 30/10 + 90/63 = 31/7
In mixed form: 43/7
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