Add 70/30 and 56/40
1st number: 2 10/30, 2nd number: 1 16/40
70/30 + 56/40 is 56/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 30 × 4 = 120,
70/30 = 70 × 4/30 × 4 = 280/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
56/40 = 56 × 3/40 × 3 = 168/120 - Add the two like fractions:
280/120 + 168/120 = 280 + 168/120 = 448/120 - 448/120 simplified gives 56/15
- So, 70/30 + 56/40 = 56/15
In mixed form: 311/15
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