Add 18/9 and 21/56
1st number: 2 0/9, 2nd number: 21/56
18/9 + 21/56 is 19/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 56 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 9 × 56 = 504,
18/9 = 18 × 56/9 × 56 = 1008/504 - Likewise, for the 2nd fraction, since 56 × 9 = 504,
21/56 = 21 × 9/56 × 9 = 189/504 - Add the two like fractions:
1008/504 + 189/504 = 1008 + 189/504 = 1197/504 - 1197/504 simplified gives 19/8
- So, 18/9 + 21/56 = 19/8
In mixed form: 23/8
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