Add 63/45 and 20/84
1st number: 1 18/45, 2nd number: 20/84
63/45 + 20/84 is 172/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 84 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 45 × 28 = 1260,
63/45 = 63 × 28/45 × 28 = 1764/1260 - Likewise, for the 2nd fraction, since 84 × 15 = 1260,
20/84 = 20 × 15/84 × 15 = 300/1260 - Add the two like fractions:
1764/1260 + 300/1260 = 1764 + 300/1260 = 2064/1260 - 2064/1260 simplified gives 172/105
- So, 63/45 + 20/84 = 172/105
In mixed form: 167/105
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