Add 9/42 and 63/28
1st number: 9/42, 2nd number: 2 7/28
9/42 + 63/28 is 69/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 28 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 42 × 2 = 84,
9/42 = 9 × 2/42 × 2 = 18/84 - Likewise, for the 2nd fraction, since 28 × 3 = 84,
63/28 = 63 × 3/28 × 3 = 189/84 - Add the two like fractions:
18/84 + 189/84 = 18 + 189/84 = 207/84 - 207/84 simplified gives 69/28
- So, 9/42 + 63/28 = 69/28
In mixed form: 213/28
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