Add 80/30 and 9/4
1st number: 2 20/30, 2nd number: 2 1/4
80/30 + 9/4 is 59/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 4 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 30 × 2 = 60,
80/30 = 80 × 2/30 × 2 = 160/60 - Likewise, for the 2nd fraction, since 4 × 15 = 60,
9/4 = 9 × 15/4 × 15 = 135/60 - Add the two like fractions:
160/60 + 135/60 = 160 + 135/60 = 295/60 - 295/60 simplified gives 59/12
- So, 80/30 + 9/4 = 59/12
In mixed form: 411/12
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