Add 42/3 and 30/20
1st number: 14 0/3, 2nd number: 1 10/20
42/3 + 30/20 is 31/2.
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,
30/20 = 30 × 3/20 × 3 = 90/60 - Add the two like fractions:
840/60 + 90/60 = 840 + 90/60 = 930/60 - 930/60 simplified gives 31/2
- So, 42/3 + 30/20 = 31/2
In mixed form: 151/2
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