Add 90/20 and 36/63
1st number: 4 10/20, 2nd number: 36/63
90/20 + 36/63 is 71/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 63 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 20 × 63 = 1260,
90/20 = 90 × 63/20 × 63 = 5670/1260 - Likewise, for the 2nd fraction, since 63 × 20 = 1260,
36/63 = 36 × 20/63 × 20 = 720/1260 - Add the two like fractions:
5670/1260 + 720/1260 = 5670 + 720/1260 = 6390/1260 - 6390/1260 simplified gives 71/14
- So, 90/20 + 36/63 = 71/14
In mixed form: 51/14
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