Add 63/10 and 21/18
1st number: 6 3/10, 2nd number: 1 3/18
63/10 + 21/18 is 112/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 10 × 9 = 90,
63/10 = 63 × 9/10 × 9 = 567/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
21/18 = 21 × 5/18 × 5 = 105/90 - Add the two like fractions:
567/90 + 105/90 = 567 + 105/90 = 672/90 - 672/90 simplified gives 112/15
- So, 63/10 + 21/18 = 112/15
In mixed form: 77/15
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