Add 56/18 and 15/45
1st number: 3 2/18, 2nd number: 15/45
56/18 + 15/45 is 31/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
56/18 = 56 × 5/18 × 5 = 280/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
15/45 = 15 × 2/45 × 2 = 30/90 - Add the two like fractions:
280/90 + 30/90 = 280 + 30/90 = 310/90 - 310/90 simplified gives 31/9
- So, 56/18 + 15/45 = 31/9
In mixed form: 34/9
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