Add 45/84 and 72/63
1st number: 45/84, 2nd number: 1 9/63
45/84 + 72/63 is 47/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 63 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 84 × 3 = 252,
45/84 = 45 × 3/84 × 3 = 135/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
72/63 = 72 × 4/63 × 4 = 288/252 - Add the two like fractions:
135/252 + 288/252 = 135 + 288/252 = 423/252 - 423/252 simplified gives 47/28
- So, 45/84 + 72/63 = 47/28
In mixed form: 119/28
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