Add 54/14 and 75/21
1st number: 3 12/14, 2nd number: 3 12/21
54/14 + 75/21 is 52/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 21 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 14 × 3 = 42,
54/14 = 54 × 3/14 × 3 = 162/42 - Likewise, for the 2nd fraction, since 21 × 2 = 42,
75/21 = 75 × 2/21 × 2 = 150/42 - Add the two like fractions:
162/42 + 150/42 = 162 + 150/42 = 312/42 - 312/42 simplified gives 52/7
- So, 54/14 + 75/21 = 52/7
In mixed form: 73/7
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