Add 2/5 and 18/42
2/5 + 18/42 is 29/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 5 × 42 = 210,
2/5 = 2 × 42/5 × 42 = 84/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
18/42 = 18 × 5/42 × 5 = 90/210 - Add the two like fractions:
84/210 + 90/210 = 84 + 90/210 = 174/210 - 174/210 simplified gives 29/35
- So, 2/5 + 18/42 = 29/35
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