Add 56/15 and 84/18
1st number: 3 11/15, 2nd number: 4 12/18
56/15 + 84/18 is 42/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 15 × 6 = 90,
56/15 = 56 × 6/15 × 6 = 336/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
84/18 = 84 × 5/18 × 5 = 420/90 - Add the two like fractions:
336/90 + 420/90 = 336 + 420/90 = 756/90 - 756/90 simplified gives 42/5
- So, 56/15 + 84/18 = 42/5
In mixed form: 82/5
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