Add 45/63 and 18/28
45/63 + 18/28 is 19/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 28 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 28 × 9 = 252,
18/28 = 18 × 9/28 × 9 = 162/252 - Add the two like fractions:
180/252 + 162/252 = 180 + 162/252 = 342/252 - 342/252 simplified gives 19/14
- So, 45/63 + 18/28 = 19/14
In mixed form: 15/14
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