Add 45/63 and 7/4
1st number: 45/63, 2nd number: 1 3/4
45/63 + 7/4 is 69/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 4 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 63 × 4 = 252,
45/63 = 45 × 4/63 × 4 = 180/252 - Likewise, for the 2nd fraction, since 4 × 63 = 252,
7/4 = 7 × 63/4 × 63 = 441/252 - Add the two like fractions:
180/252 + 441/252 = 180 + 441/252 = 621/252 - 621/252 simplified gives 69/28
- So, 45/63 + 7/4 = 69/28
In mixed form: 213/28
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