Add 3/84 and 72/63
1st number: 3/84, 2nd number: 1 9/63
3/84 + 72/63 is 33/28.
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,
3/84 = 3 × 3/84 × 3 = 9/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
72/63 = 72 × 4/63 × 4 = 288/252 - Add the two like fractions:
9/252 + 288/252 = 9 + 288/252 = 297/252 - 297/252 simplified gives 33/28
- So, 3/84 + 72/63 = 33/28
In mixed form: 15/28
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