Add 12/40 and 20/12
1st number: 12/40, 2nd number: 1 8/12
12/40 + 20/12 is 59/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 12 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 40 × 3 = 120,
12/40 = 12 × 3/40 × 3 = 36/120 - Likewise, for the 2nd fraction, since 12 × 10 = 120,
20/12 = 20 × 10/12 × 10 = 200/120 - Add the two like fractions:
36/120 + 200/120 = 36 + 200/120 = 236/120 - 236/120 simplified gives 59/30
- So, 12/40 + 20/12 = 59/30
In mixed form: 129/30
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