Add 1/12 and 18/70
1/12 + 18/70 is 143/420.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 70 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 12 × 35 = 420,
1/12 = 1 × 35/12 × 35 = 35/420 - Likewise, for the 2nd fraction, since 70 × 6 = 420,
18/70 = 18 × 6/70 × 6 = 108/420 - Add the two like fractions:
35/420 + 108/420 = 35 + 108/420 = 143/420 - So, 1/12 + 18/70 = 143/420
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