Add 72/63 and 7/84
1st number: 1 9/63, 2nd number: 7/84
72/63 + 7/84 is 103/84.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 84 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 63 × 4 = 252,
72/63 = 72 × 4/63 × 4 = 288/252 - Likewise, for the 2nd fraction, since 84 × 3 = 252,
7/84 = 7 × 3/84 × 3 = 21/252 - Add the two like fractions:
288/252 + 21/252 = 288 + 21/252 = 309/252 - 309/252 simplified gives 103/84
- So, 72/63 + 7/84 = 103/84
In mixed form: 119/84
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