Add 72/14 and 40/12
1st number: 5 2/14, 2nd number: 3 4/12
72/14 + 40/12 is 178/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 12 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 14 × 6 = 84,
72/14 = 72 × 6/14 × 6 = 432/84 - Likewise, for the 2nd fraction, since 12 × 7 = 84,
40/12 = 40 × 7/12 × 7 = 280/84 - Add the two like fractions:
432/84 + 280/84 = 432 + 280/84 = 712/84 - 712/84 simplified gives 178/21
- So, 72/14 + 40/12 = 178/21
In mixed form: 810/21
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