Add 56/80 and 28/90
56/80 + 28/90 is 91/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 90 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 80 × 9 = 720,
56/80 = 56 × 9/80 × 9 = 504/720 - Likewise, for the 2nd fraction, since 90 × 8 = 720,
28/90 = 28 × 8/90 × 8 = 224/720 - Add the two like fractions:
504/720 + 224/720 = 504 + 224/720 = 728/720 - 728/720 simplified gives 91/90
- So, 56/80 + 28/90 = 91/90
In mixed form: 11/90
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