Add 18/42 and 32/70
18/42 + 32/70 is 31/35.
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,
18/42 = 18 × 5/42 × 5 = 90/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
32/70 = 32 × 3/70 × 3 = 96/210 - Add the two like fractions:
90/210 + 96/210 = 90 + 96/210 = 186/210 - 186/210 simplified gives 31/35
- So, 18/42 + 32/70 = 31/35
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