Add 1/3 and 90/70
1st number: 1/3, 2nd number: 1 20/70
1/3 + 90/70 is 34/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 70 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 3 × 70 = 210,
1/3 = 1 × 70/3 × 70 = 70/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
90/70 = 90 × 3/70 × 3 = 270/210 - Add the two like fractions:
70/210 + 270/210 = 70 + 270/210 = 340/210 - 340/210 simplified gives 34/21
- So, 1/3 + 90/70 = 34/21
In mixed form: 113/21
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