Add 90/80 and 20/36
1st number: 1 10/80, 2nd number: 20/36
90/80 + 20/36 is 121/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 36 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 80 × 9 = 720,
90/80 = 90 × 9/80 × 9 = 810/720 - Likewise, for the 2nd fraction, since 36 × 20 = 720,
20/36 = 20 × 20/36 × 20 = 400/720 - Add the two like fractions:
810/720 + 400/720 = 810 + 400/720 = 1210/720 - 1210/720 simplified gives 121/72
- So, 90/80 + 20/36 = 121/72
In mixed form: 149/72
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