Add 28/4 and 45/9
1st number: 7 0/4, 2nd number: 5 0/9
28/4 + 45/9 is 12/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 9 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 4 × 9 = 36,
28/4 = 28 × 9/4 × 9 = 252/36 - Likewise, for the 2nd fraction, since 9 × 4 = 36,
45/9 = 45 × 4/9 × 4 = 180/36 - Add the two like fractions:
252/36 + 180/36 = 252 + 180/36 = 432/36 - 432/36 simplified gives 12/1
- So, 28/4 + 45/9 = 12/1
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