Add 80/15 and 10/70
1st number: 5 5/15, 2nd number: 10/70
80/15 + 10/70 is 115/21.
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,
80/15 = 80 × 14/15 × 14 = 1120/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
10/70 = 10 × 3/70 × 3 = 30/210 - Add the two like fractions:
1120/210 + 30/210 = 1120 + 30/210 = 1150/210 - 1150/210 simplified gives 115/21
- So, 80/15 + 10/70 = 115/21
In mixed form: 510/21
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