Add 84/42 and 20/35
1st number: 2 0/42, 2nd number: 20/35
84/42 + 20/35 is 18/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 35 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 42 × 5 = 210,
84/42 = 84 × 5/42 × 5 = 420/210 - Likewise, for the 2nd fraction, since 35 × 6 = 210,
20/35 = 20 × 6/35 × 6 = 120/210 - Add the two like fractions:
420/210 + 120/210 = 420 + 120/210 = 540/210 - 540/210 simplified gives 18/7
- So, 84/42 + 20/35 = 18/7
In mixed form: 24/7
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