Add 12/3 and 20/70
1st number: 4 0/3, 2nd number: 20/70
12/3 + 20/70 is 30/7.
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,
12/3 = 12 × 70/3 × 70 = 840/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
20/70 = 20 × 3/70 × 3 = 60/210 - Add the two like fractions:
840/210 + 60/210 = 840 + 60/210 = 900/210 - 900/210 simplified gives 30/7
- So, 12/3 + 20/70 = 30/7
In mixed form: 42/7
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