Add 20/70 and 21/6
1st number: 20/70, 2nd number: 3 3/6
20/70 + 21/6 is 53/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 6 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 70 × 3 = 210,
20/70 = 20 × 3/70 × 3 = 60/210 - Likewise, for the 2nd fraction, since 6 × 35 = 210,
21/6 = 21 × 35/6 × 35 = 735/210 - Add the two like fractions:
60/210 + 735/210 = 60 + 735/210 = 795/210 - 795/210 simplified gives 53/14
- So, 20/70 + 21/6 = 53/14
In mixed form: 311/14
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