Add 21/56 and 42/9
1st number: 21/56, 2nd number: 4 6/9
21/56 + 42/9 is 121/24.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 9 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 56 × 9 = 504,
21/56 = 21 × 9/56 × 9 = 189/504 - Likewise, for the 2nd fraction, since 9 × 56 = 504,
42/9 = 42 × 56/9 × 56 = 2352/504 - Add the two like fractions:
189/504 + 2352/504 = 189 + 2352/504 = 2541/504 - 2541/504 simplified gives 121/24
- So, 21/56 + 42/9 = 121/24
In mixed form: 51/24
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