Add 20/3 and 90/63
1st number: 6 2/3, 2nd number: 1 27/63
20/3 + 90/63 is 170/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 63 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 3 × 21 = 63,
20/3 = 20 × 21/3 × 21 = 420/63 - Likewise, for the 2nd fraction, since 63 × 1 = 63,
90/63 = 90 × 1/63 × 1 = 90/63 - Add the two like fractions:
420/63 + 90/63 = 420 + 90/63 = 510/63 - 510/63 simplified gives 170/21
- So, 20/3 + 90/63 = 170/21
In mixed form: 82/21
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