Add 84/72 and 28/63
1st number: 1 12/72, 2nd number: 28/63
84/72 + 28/63 is 29/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 63 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 72 × 7 = 504,
84/72 = 84 × 7/72 × 7 = 588/504 - Likewise, for the 2nd fraction, since 63 × 8 = 504,
28/63 = 28 × 8/63 × 8 = 224/504 - Add the two like fractions:
588/504 + 224/504 = 588 + 224/504 = 812/504 - 812/504 simplified gives 29/18
- So, 84/72 + 28/63 = 29/18
In mixed form: 111/18
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