Add 9/84 and 42/7
1st number: 9/84, 2nd number: 6 0/7
9/84 + 42/7 is 171/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 7 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 84 × 1 = 84,
9/84 = 9 × 1/84 × 1 = 9/84 - Likewise, for the 2nd fraction, since 7 × 12 = 84,
42/7 = 42 × 12/7 × 12 = 504/84 - Add the two like fractions:
9/84 + 504/84 = 9 + 504/84 = 513/84 - 513/84 simplified gives 171/28
- So, 9/84 + 42/7 = 171/28
In mixed form: 63/28
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