Add 21/18 and 9/56
1st number: 1 3/18, 2nd number: 9/56
21/18 + 9/56 is 223/168.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 56 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 18 × 28 = 504,
21/18 = 21 × 28/18 × 28 = 588/504 - Likewise, for the 2nd fraction, since 56 × 9 = 504,
9/56 = 9 × 9/56 × 9 = 81/504 - Add the two like fractions:
588/504 + 81/504 = 588 + 81/504 = 669/504 - 669/504 simplified gives 223/168
- So, 21/18 + 9/56 = 223/168
In mixed form: 155/168
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