Add 90/21 and 10/63
1st number: 4 6/21, 2nd number: 10/63
90/21 + 10/63 is 40/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 63 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 21 × 3 = 63,
90/21 = 90 × 3/21 × 3 = 270/63 - Likewise, for the 2nd fraction, since 63 × 1 = 63,
10/63 = 10 × 1/63 × 1 = 10/63 - Add the two like fractions:
270/63 + 10/63 = 270 + 10/63 = 280/63 - 280/63 simplified gives 40/9
- So, 90/21 + 10/63 = 40/9
In mixed form: 44/9
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