Add 90/60 and 80/20
1st number: 1 30/60, 2nd number: 4 0/20
90/60 + 80/20 is 11/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 60 × 1 = 60,
90/60 = 90 × 1/60 × 1 = 90/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
80/20 = 80 × 3/20 × 3 = 240/60 - Add the two like fractions:
90/60 + 240/60 = 90 + 240/60 = 330/60 - 330/60 simplified gives 11/2
- So, 90/60 + 80/20 = 11/2
In mixed form: 51/2
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