Add 18/30 and 8/42
18/30 + 8/42 is 83/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 30 × 7 = 210,
18/30 = 18 × 7/30 × 7 = 126/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
8/42 = 8 × 5/42 × 5 = 40/210 - Add the two like fractions:
126/210 + 40/210 = 126 + 40/210 = 166/210 - 166/210 simplified gives 83/105
- So, 18/30 + 8/42 = 83/105
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