Add 70/6 and 90/70
1st number: 11 4/6, 2nd number: 1 20/70
70/6 + 90/70 is 272/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 70 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 6 × 35 = 210,
70/6 = 70 × 35/6 × 35 = 2450/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
90/70 = 90 × 3/70 × 3 = 270/210 - Add the two like fractions:
2450/210 + 270/210 = 2450 + 270/210 = 2720/210 - 2720/210 simplified gives 272/21
- So, 70/6 + 90/70 = 272/21
In mixed form: 1220/21
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