Add 63/18 and 21/10
1st number: 3 9/18, 2nd number: 2 1/10
63/18 + 21/10 is 28/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 10 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
63/18 = 63 × 5/18 × 5 = 315/90 - Likewise, for the 2nd fraction, since 10 × 9 = 90,
21/10 = 21 × 9/10 × 9 = 189/90 - Add the two like fractions:
315/90 + 189/90 = 315 + 189/90 = 504/90 - 504/90 simplified gives 28/5
- So, 63/18 + 21/10 = 28/5
In mixed form: 53/5
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