Add 28/9 and 21/56
1st number: 3 1/9, 2nd number: 21/56
28/9 + 21/56 is 251/72.
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,
28/9 = 28 × 56/9 × 56 = 1568/504 - Likewise, for the 2nd fraction, since 56 × 9 = 504,
21/56 = 21 × 9/56 × 9 = 189/504 - Add the two like fractions:
1568/504 + 189/504 = 1568 + 189/504 = 1757/504 - 1757/504 simplified gives 251/72
- So, 28/9 + 21/56 = 251/72
In mixed form: 335/72
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