Add 45/75 and 90/80
1st number: 45/75, 2nd number: 1 10/80
45/75 + 90/80 is 69/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 80 is 1200
Next, find the equivalent fraction of both fractional numbers with denominator 1200 - For the 1st fraction, since 75 × 16 = 1200,
45/75 = 45 × 16/75 × 16 = 720/1200 - Likewise, for the 2nd fraction, since 80 × 15 = 1200,
90/80 = 90 × 15/80 × 15 = 1350/1200 - Add the two like fractions:
720/1200 + 1350/1200 = 720 + 1350/1200 = 2070/1200 - 2070/1200 simplified gives 69/40
- So, 45/75 + 90/80 = 69/40
In mixed form: 129/40
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Related: 90/75+90/80