Add 15/80 and 80/20
1st number: 15/80, 2nd number: 4 0/20
15/80 + 80/20 is 67/16.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 20 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 80 × 1 = 80,
15/80 = 15 × 1/80 × 1 = 15/80 - Likewise, for the 2nd fraction, since 20 × 4 = 80,
80/20 = 80 × 4/20 × 4 = 320/80 - Add the two like fractions:
15/80 + 320/80 = 15 + 320/80 = 335/80 - 335/80 simplified gives 67/16
- So, 15/80 + 80/20 = 67/16
In mixed form: 43/16
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