Add 72/18 and 7/84
1st number: 4 0/18, 2nd number: 7/84
72/18 + 7/84 is 49/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 84 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 18 × 14 = 252,
72/18 = 72 × 14/18 × 14 = 1008/252 - Likewise, for the 2nd fraction, since 84 × 3 = 252,
7/84 = 7 × 3/84 × 3 = 21/252 - Add the two like fractions:
1008/252 + 21/252 = 1008 + 21/252 = 1029/252 - 1029/252 simplified gives 49/12
- So, 72/18 + 7/84 = 49/12
In mixed form: 41/12
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