Add 5/15 and 80/70
1st number: 5/15, 2nd number: 1 10/70
5/15 + 80/70 is 31/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 70 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 15 × 14 = 210,
5/15 = 5 × 14/15 × 14 = 70/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
80/70 = 80 × 3/70 × 3 = 240/210 - Add the two like fractions:
70/210 + 240/210 = 70 + 240/210 = 310/210 - 310/210 simplified gives 31/21
- So, 5/15 + 80/70 = 31/21
In mixed form: 110/21
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