Add 72/28 and 84/40
1st number: 2 16/28, 2nd number: 2 4/40
72/28 + 84/40 is 327/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 40 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 28 × 10 = 280,
72/28 = 72 × 10/28 × 10 = 720/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
84/40 = 84 × 7/40 × 7 = 588/280 - Add the two like fractions:
720/280 + 588/280 = 720 + 588/280 = 1308/280 - 1308/280 simplified gives 327/70
- So, 72/28 + 84/40 = 327/70
In mixed form: 447/70
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