Add 56/5 and 21/12
1st number: 11 1/5, 2nd number: 1 9/12
56/5 + 21/12 is 259/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 12 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 5 × 12 = 60,
56/5 = 56 × 12/5 × 12 = 672/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
21/12 = 21 × 5/12 × 5 = 105/60 - Add the two like fractions:
672/60 + 105/60 = 672 + 105/60 = 777/60 - 777/60 simplified gives 259/20
- So, 56/5 + 21/12 = 259/20
In mixed form: 1219/20
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