Add 90/63 and 5/21
1st number: 1 27/63, 2nd number: 5/21
90/63 + 5/21 is 5/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 21 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 63 × 1 = 63,
90/63 = 90 × 1/63 × 1 = 90/63 - Likewise, for the 2nd fraction, since 21 × 3 = 63,
5/21 = 5 × 3/21 × 3 = 15/63 - Add the two like fractions:
90/63 + 15/63 = 90 + 15/63 = 105/63 - 105/63 simplified gives 5/3
- So, 90/63 + 5/21 = 5/3
In mixed form: 12/3
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