Add 20/7 and 42/10
1st number: 2 6/7, 2nd number: 4 2/10
20/7 + 42/10 is 247/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 10 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 7 × 10 = 70,
20/7 = 20 × 10/7 × 10 = 200/70 - Likewise, for the 2nd fraction, since 10 × 7 = 70,
42/10 = 42 × 7/10 × 7 = 294/70 - Add the two like fractions:
200/70 + 294/70 = 200 + 294/70 = 494/70 - 494/70 simplified gives 247/35
- So, 20/7 + 42/10 = 247/35
In mixed form: 72/35
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