Add 30/2 and 90/20
1st number: 15 0/2, 2nd number: 4 10/20
30/2 + 90/20 is 39/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 20 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 2 × 10 = 20,
30/2 = 30 × 10/2 × 10 = 300/20 - Likewise, for the 2nd fraction, since 20 × 1 = 20,
90/20 = 90 × 1/20 × 1 = 90/20 - Add the two like fractions:
300/20 + 90/20 = 300 + 90/20 = 390/20 - 390/20 simplified gives 39/2
- So, 30/2 + 90/20 = 39/2
In mixed form: 191/2
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