Add 45/4 and 28/72
1st number: 11 1/4, 2nd number: 28/72
45/4 + 28/72 is 419/36.
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,
45/4 = 45 × 18/4 × 18 = 810/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
28/72 = 28 × 1/72 × 1 = 28/72 - Add the two like fractions:
810/72 + 28/72 = 810 + 28/72 = 838/72 - 838/72 simplified gives 419/36
- So, 45/4 + 28/72 = 419/36
In mixed form: 1123/36
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