Add 56/8 and 45/18
1st number: 7 0/8, 2nd number: 2 9/18
56/8 + 45/18 is 19/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 18 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 8 × 9 = 72,
56/8 = 56 × 9/8 × 9 = 504/72 - Likewise, for the 2nd fraction, since 18 × 4 = 72,
45/18 = 45 × 4/18 × 4 = 180/72 - Add the two like fractions:
504/72 + 180/72 = 504 + 180/72 = 684/72 - 684/72 simplified gives 19/2
- So, 56/8 + 45/18 = 19/2
In mixed form: 91/2
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