Add 70/18 and 56/5
1st number: 3 16/18, 2nd number: 11 1/5
70/18 + 56/5 is 679/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 5 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
70/18 = 70 × 5/18 × 5 = 350/90 - Likewise, for the 2nd fraction, since 5 × 18 = 90,
56/5 = 56 × 18/5 × 18 = 1008/90 - Add the two like fractions:
350/90 + 1008/90 = 350 + 1008/90 = 1358/90 - 1358/90 simplified gives 679/45
- So, 70/18 + 56/5 = 679/45
In mixed form: 154/45
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