Add 84/72 and 63/28
1st number: 1 12/72, 2nd number: 2 7/28
84/72 + 63/28 is 41/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 28 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 28 × 18 = 504,
63/28 = 63 × 18/28 × 18 = 1134/504 - Add the two like fractions:
588/504 + 1134/504 = 588 + 1134/504 = 1722/504 - 1722/504 simplified gives 41/12
- So, 84/72 + 63/28 = 41/12
In mixed form: 35/12
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