Add 45/63 and 20/6
1st number: 45/63, 2nd number: 3 2/6
45/63 + 20/6 is 85/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 6 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 63 × 2 = 126,
45/63 = 45 × 2/63 × 2 = 90/126 - Likewise, for the 2nd fraction, since 6 × 21 = 126,
20/6 = 20 × 21/6 × 21 = 420/126 - Add the two like fractions:
90/126 + 420/126 = 90 + 420/126 = 510/126 - 510/126 simplified gives 85/21
- So, 45/63 + 20/6 = 85/21
In mixed form: 41/21
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