Add 56/15 and 70/18
1st number: 3 11/15, 2nd number: 3 16/18
56/15 + 70/18 is 343/45.
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,
70/18 = 70 × 5/18 × 5 = 350/90 - Add the two like fractions:
336/90 + 350/90 = 336 + 350/90 = 686/90 - 686/90 simplified gives 343/45
- So, 56/15 + 70/18 = 343/45
In mixed form: 728/45
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