Add 28/3 and 90/70
1st number: 9 1/3, 2nd number: 1 20/70
28/3 + 90/70 is 223/21.
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,
28/3 = 28 × 70/3 × 70 = 1960/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
90/70 = 90 × 3/70 × 3 = 270/210 - Add the two like fractions:
1960/210 + 270/210 = 1960 + 270/210 = 2230/210 - 2230/210 simplified gives 223/21
- So, 28/3 + 90/70 = 223/21
In mixed form: 1013/21
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