Add 12/20 and 18/35
12/20 + 18/35 is 39/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 35 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 20 × 7 = 140,
12/20 = 12 × 7/20 × 7 = 84/140 - Likewise, for the 2nd fraction, since 35 × 4 = 140,
18/35 = 18 × 4/35 × 4 = 72/140 - Add the two like fractions:
84/140 + 72/140 = 84 + 72/140 = 156/140 - 156/140 simplified gives 39/35
- So, 12/20 + 18/35 = 39/35
In mixed form: 14/35
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