Add 42/3 and 12/20
1st number: 14 0/3, 2nd number: 12/20
42/3 + 12/20 is 73/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 3 × 20 = 60,
42/3 = 42 × 20/3 × 20 = 840/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
12/20 = 12 × 3/20 × 3 = 36/60 - Add the two like fractions:
840/60 + 36/60 = 840 + 36/60 = 876/60 - 876/60 simplified gives 73/5
- So, 42/3 + 12/20 = 73/5
In mixed form: 143/5
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