Add 84/42 and 18/70
1st number: 2 0/42, 2nd number: 18/70
84/42 + 18/70 is 79/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 70 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 70 × 3 = 210,
18/70 = 18 × 3/70 × 3 = 54/210 - Add the two like fractions:
420/210 + 54/210 = 420 + 54/210 = 474/210 - 474/210 simplified gives 79/35
- So, 84/42 + 18/70 = 79/35
In mixed form: 29/35
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