Add 64/7 and 20/90
1st number: 9 1/7, 2nd number: 20/90
64/7 + 20/90 is 590/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 90 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 7 × 90 = 630,
64/7 = 64 × 90/7 × 90 = 5760/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
20/90 = 20 × 7/90 × 7 = 140/630 - Add the two like fractions:
5760/630 + 140/630 = 5760 + 140/630 = 5900/630 - 5900/630 simplified gives 590/63
- So, 64/7 + 20/90 = 590/63
In mixed form: 923/63
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