Add 28/2 and 40/90
1st number: 14 0/2, 2nd number: 40/90
28/2 + 40/90 is 130/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 2 × 45 = 90,
28/2 = 28 × 45/2 × 45 = 1260/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
40/90 = 40 × 1/90 × 1 = 40/90 - Add the two like fractions:
1260/90 + 40/90 = 1260 + 40/90 = 1300/90 - 1300/90 simplified gives 130/9
- So, 28/2 + 40/90 = 130/9
In mixed form: 144/9
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