Add 75/90 and 18/80
75/90 + 18/80 is 127/120.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 80 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 90 × 8 = 720,
75/90 = 75 × 8/90 × 8 = 600/720 - Likewise, for the 2nd fraction, since 80 × 9 = 720,
18/80 = 18 × 9/80 × 9 = 162/720 - Add the two like fractions:
600/720 + 162/720 = 600 + 162/720 = 762/720 - 762/720 simplified gives 127/120
- So, 75/90 + 18/80 = 127/120
In mixed form: 17/120
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