Add 9/42 and 72/7
1st number: 9/42, 2nd number: 10 2/7
9/42 + 72/7 is 21/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 7 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 42 × 1 = 42,
9/42 = 9 × 1/42 × 1 = 9/42 - Likewise, for the 2nd fraction, since 7 × 6 = 42,
72/7 = 72 × 6/7 × 6 = 432/42 - Add the two like fractions:
9/42 + 432/42 = 9 + 432/42 = 441/42 - 441/42 simplified gives 21/2
- So, 9/42 + 72/7 = 21/2
In mixed form: 101/2
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