Add 84/63 and 36/7
1st number: 1 21/63, 2nd number: 5 1/7
84/63 + 36/7 is 136/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 7 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 63 × 1 = 63,
84/63 = 84 × 1/63 × 1 = 84/63 - Likewise, for the 2nd fraction, since 7 × 9 = 63,
36/7 = 36 × 9/7 × 9 = 324/63 - Add the two like fractions:
84/63 + 324/63 = 84 + 324/63 = 408/63 - 408/63 simplified gives 136/21
- So, 84/63 + 36/7 = 136/21
In mixed form: 610/21
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