Add 7/4 and 28/72
1st number: 1 3/4, 2nd number: 28/72
7/4 + 28/72 is 77/36.
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,
7/4 = 7 × 18/4 × 18 = 126/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
28/72 = 28 × 1/72 × 1 = 28/72 - Add the two like fractions:
126/72 + 28/72 = 126 + 28/72 = 154/72 - 154/72 simplified gives 77/36
- So, 7/4 + 28/72 = 77/36
In mixed form: 25/36
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