Add 70/15 and 80/70
1st number: 4 10/15, 2nd number: 1 10/70
70/15 + 80/70 is 122/21.
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,
70/15 = 70 × 14/15 × 14 = 980/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
80/70 = 80 × 3/70 × 3 = 240/210 - Add the two like fractions:
980/210 + 240/210 = 980 + 240/210 = 1220/210 - 1220/210 simplified gives 122/21
- So, 70/15 + 80/70 = 122/21
In mixed form: 517/21
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