Add 45/63 and 21/7
1st number: 45/63, 2nd number: 3 0/7
45/63 + 21/7 is 26/7.
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,
21/7 = 21 × 9/7 × 9 = 189/63 - Add the two like fractions:
45/63 + 189/63 = 45 + 189/63 = 234/63 - 234/63 simplified gives 26/7
- So, 45/63 + 21/7 = 26/7
In mixed form: 35/7
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