Add 70/15 and 20/30
1st number: 4 10/15, 2nd number: 20/30
70/15 + 20/30 is 16/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 30 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 15 × 2 = 30,
70/15 = 70 × 2/15 × 2 = 140/30 - Likewise, for the 2nd fraction, since 30 × 1 = 30,
20/30 = 20 × 1/30 × 1 = 20/30 - Add the two like fractions:
140/30 + 20/30 = 140 + 20/30 = 160/30 - 160/30 simplified gives 16/3
- So, 70/15 + 20/30 = 16/3
In mixed form: 51/3
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