Add 90/20 and 20/30
1st number: 4 10/20, 2nd number: 20/30
90/20 + 20/30 is 31/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 30 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
90/20 = 90 × 3/20 × 3 = 270/60 - Likewise, for the 2nd fraction, since 30 × 2 = 60,
20/30 = 20 × 2/30 × 2 = 40/60 - Add the two like fractions:
270/60 + 40/60 = 270 + 40/60 = 310/60 - 310/60 simplified gives 31/6
- So, 90/20 + 20/30 = 31/6
In mixed form: 51/6
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