Add 7/2 and 80/70
1st number: 3 1/2, 2nd number: 1 10/70
7/2 + 80/70 is 65/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 70 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 2 × 35 = 70,
7/2 = 7 × 35/2 × 35 = 245/70 - Likewise, for the 2nd fraction, since 70 × 1 = 70,
80/70 = 80 × 1/70 × 1 = 80/70 - Add the two like fractions:
245/70 + 80/70 = 245 + 80/70 = 325/70 - 325/70 simplified gives 65/14
- So, 7/2 + 80/70 = 65/14
In mixed form: 49/14
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