Add 10/84 and 90/63
1st number: 10/84, 2nd number: 1 27/63
10/84 + 90/63 is 65/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 63 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 84 × 3 = 252,
10/84 = 10 × 3/84 × 3 = 30/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
90/63 = 90 × 4/63 × 4 = 360/252 - Add the two like fractions:
30/252 + 360/252 = 30 + 360/252 = 390/252 - 390/252 simplified gives 65/42
- So, 10/84 + 90/63 = 65/42
In mixed form: 123/42
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