Add 45/63 and 15/7
1st number: 45/63, 2nd number: 2 1/7
45/63 + 15/7 is 20/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 7 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 63 × 1 = 63,
45/63 = 45 × 1/63 × 1 = 45/63 - Likewise, for the 2nd fraction, since 7 × 9 = 63,
15/7 = 15 × 9/7 × 9 = 135/63 - Add the two like fractions:
45/63 + 135/63 = 45 + 135/63 = 180/63 - 180/63 simplified gives 20/7
- So, 45/63 + 15/7 = 20/7
In mixed form: 26/7
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