Add 15/42 and 72/14
1st number: 15/42, 2nd number: 5 2/14
15/42 + 72/14 is 11/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 14 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 42 × 1 = 42,
15/42 = 15 × 1/42 × 1 = 15/42 - Likewise, for the 2nd fraction, since 14 × 3 = 42,
72/14 = 72 × 3/14 × 3 = 216/42 - Add the two like fractions:
15/42 + 216/42 = 15 + 216/42 = 231/42 - 231/42 simplified gives 11/2
- So, 15/42 + 72/14 = 11/2
In mixed form: 51/2
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