Add 18/35 and 27/42
18/35 + 27/42 is 81/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 35 × 6 = 210,
18/35 = 18 × 6/35 × 6 = 108/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
27/42 = 27 × 5/42 × 5 = 135/210 - Add the two like fractions:
108/210 + 135/210 = 108 + 135/210 = 243/210 - 243/210 simplified gives 81/70
- So, 18/35 + 27/42 = 81/70
In mixed form: 111/70
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