Add 20/70 and 42/14
1st number: 20/70, 2nd number: 3 0/14
20/70 + 42/14 is 23/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 14 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 70 × 1 = 70,
20/70 = 20 × 1/70 × 1 = 20/70 - Likewise, for the 2nd fraction, since 14 × 5 = 70,
42/14 = 42 × 5/14 × 5 = 210/70 - Add the two like fractions:
20/70 + 210/70 = 20 + 210/70 = 230/70 - 230/70 simplified gives 23/7
- So, 20/70 + 42/14 = 23/7
In mixed form: 32/7
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