Add 3/9 and 21/56
3/9 + 21/56 is 17/24.
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,
3/9 = 3 × 56/9 × 56 = 168/504 - Likewise, for the 2nd fraction, since 56 × 9 = 504,
21/56 = 21 × 9/56 × 9 = 189/504 - Add the two like fractions:
168/504 + 189/504 = 168 + 189/504 = 357/504 - 357/504 simplified gives 17/24
- So, 3/9 + 21/56 = 17/24
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