Add 90/30 and 20/12
1st number: 3 0/30, 2nd number: 1 8/12
90/30 + 20/12 is 14/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 12 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 30 × 2 = 60,
90/30 = 90 × 2/30 × 2 = 180/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
20/12 = 20 × 5/12 × 5 = 100/60 - Add the two like fractions:
180/60 + 100/60 = 180 + 100/60 = 280/60 - 280/60 simplified gives 14/3
- So, 90/30 + 20/12 = 14/3
In mixed form: 42/3
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