Add 9/4 and 80/72
1st number: 2 1/4, 2nd number: 1 8/72
9/4 + 80/72 is 121/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 4 × 18 = 72,
9/4 = 9 × 18/4 × 18 = 162/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
80/72 = 80 × 1/72 × 1 = 80/72 - Add the two like fractions:
162/72 + 80/72 = 162 + 80/72 = 242/72 - 242/72 simplified gives 121/36
- So, 9/4 + 80/72 = 121/36
In mixed form: 313/36
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