Add 72/42 and 70/14
1st number: 1 30/42, 2nd number: 5 0/14
72/42 + 70/14 is 47/7.
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,
72/42 = 72 × 1/42 × 1 = 72/42 - Likewise, for the 2nd fraction, since 14 × 3 = 42,
70/14 = 70 × 3/14 × 3 = 210/42 - Add the two like fractions:
72/42 + 210/42 = 72 + 210/42 = 282/42 - 282/42 simplified gives 47/7
- So, 72/42 + 70/14 = 47/7
In mixed form: 65/7
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