Add 20/14 and 45/63
1st number: 1 6/14, 2nd number: 45/63
20/14 + 45/63 is 15/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 63 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 14 × 9 = 126,
20/14 = 20 × 9/14 × 9 = 180/126 - Likewise, for the 2nd fraction, since 63 × 2 = 126,
45/63 = 45 × 2/63 × 2 = 90/126 - Add the two like fractions:
180/126 + 90/126 = 180 + 90/126 = 270/126 - 270/126 simplified gives 15/7
- So, 20/14 + 45/63 = 15/7
In mixed form: 21/7
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