Add 28/7 and 20/70
1st number: 4 0/7, 2nd number: 20/70
28/7 + 20/70 is 30/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 70 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 7 × 10 = 70,
28/7 = 28 × 10/7 × 10 = 280/70 - Likewise, for the 2nd fraction, since 70 × 1 = 70,
20/70 = 20 × 1/70 × 1 = 20/70 - Add the two like fractions:
280/70 + 20/70 = 280 + 20/70 = 300/70 - 300/70 simplified gives 30/7
- So, 28/7 + 20/70 = 30/7
In mixed form: 42/7
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