Add 2/3 and 30/70
2/3 + 30/70 is 23/21.
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,
2/3 = 2 × 70/3 × 70 = 140/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
30/70 = 30 × 3/70 × 3 = 90/210 - Add the two like fractions:
140/210 + 90/210 = 140 + 90/210 = 230/210 - 230/210 simplified gives 23/21
- So, 2/3 + 30/70 = 23/21
In mixed form: 12/21
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