Add 80/90 and 3/5
80/90 + 3/5 is 67/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 5 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
80/90 = 80 × 1/90 × 1 = 80/90 - Likewise, for the 2nd fraction, since 5 × 18 = 90,
3/5 = 3 × 18/5 × 18 = 54/90 - Add the two like fractions:
80/90 + 54/90 = 80 + 54/90 = 134/90 - 134/90 simplified gives 67/45
- So, 80/90 + 3/5 = 67/45
In mixed form: 122/45
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