Add 28/80 and 54/9
1st number: 28/80, 2nd number: 6 0/9
28/80 + 54/9 is 127/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 9 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 80 × 9 = 720,
28/80 = 28 × 9/80 × 9 = 252/720 - Likewise, for the 2nd fraction, since 9 × 80 = 720,
54/9 = 54 × 80/9 × 80 = 4320/720 - Add the two like fractions:
252/720 + 4320/720 = 252 + 4320/720 = 4572/720 - 4572/720 simplified gives 127/20
- So, 28/80 + 54/9 = 127/20
In mixed form: 67/20
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