Add 28/72 and 9/8
1st number: 28/72, 2nd number: 1 1/8
28/72 + 9/8 is 109/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 8 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 72 × 1 = 72,
28/72 = 28 × 1/72 × 1 = 28/72 - Likewise, for the 2nd fraction, since 8 × 9 = 72,
9/8 = 9 × 9/8 × 9 = 81/72 - Add the two like fractions:
28/72 + 81/72 = 28 + 81/72 = 109/72 - So, 28/72 + 9/8 = 109/72
In mixed form: 137/72
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