Add 28/48 and 75/90
28/48 + 75/90 is 17/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 90 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 48 × 15 = 720,
28/48 = 28 × 15/48 × 15 = 420/720 - Likewise, for the 2nd fraction, since 90 × 8 = 720,
75/90 = 75 × 8/90 × 8 = 600/720 - Add the two like fractions:
420/720 + 600/720 = 420 + 600/720 = 1020/720 - 1020/720 simplified gives 17/12
- So, 28/48 + 75/90 = 17/12
In mixed form: 15/12
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