Add 28/72 and 40/48
28/72 + 40/48 is 11/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 48 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 72 × 2 = 144,
28/72 = 28 × 2/72 × 2 = 56/144 - Likewise, for the 2nd fraction, since 48 × 3 = 144,
40/48 = 40 × 3/48 × 3 = 120/144 - Add the two like fractions:
56/144 + 120/144 = 56 + 120/144 = 176/144 - 176/144 simplified gives 11/9
- So, 28/72 + 40/48 = 11/9
In mixed form: 12/9
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