Add 56/80 and 45/18
1st number: 56/80, 2nd number: 2 9/18
56/80 + 45/18 is 16/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 18 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 80 × 9 = 720,
56/80 = 56 × 9/80 × 9 = 504/720 - Likewise, for the 2nd fraction, since 18 × 40 = 720,
45/18 = 45 × 40/18 × 40 = 1800/720 - Add the two like fractions:
504/720 + 1800/720 = 504 + 1800/720 = 2304/720 - 2304/720 simplified gives 16/5
- So, 56/80 + 45/18 = 16/5
In mixed form: 31/5
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