Add 90/30 and 4/20
1st number: 3 0/30, 2nd number: 4/20
90/30 + 4/20 is 16/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 20 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 20 × 3 = 60,
4/20 = 4 × 3/20 × 3 = 12/60 - Add the two like fractions:
180/60 + 12/60 = 180 + 12/60 = 192/60 - 192/60 simplified gives 16/5
- So, 90/30 + 4/20 = 16/5
In mixed form: 31/5
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