Add 72/42 and 75/12
1st number: 1 30/42, 2nd number: 6 3/12
72/42 + 75/12 is 223/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 12 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 42 × 2 = 84,
72/42 = 72 × 2/42 × 2 = 144/84 - Likewise, for the 2nd fraction, since 12 × 7 = 84,
75/12 = 75 × 7/12 × 7 = 525/84 - Add the two like fractions:
144/84 + 525/84 = 144 + 525/84 = 669/84 - 669/84 simplified gives 223/28
- So, 72/42 + 75/12 = 223/28
In mixed form: 727/28
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