Add 28/6 and 20/45
1st number: 4 4/6, 2nd number: 20/45
28/6 + 20/45 is 46/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 6 × 15 = 90,
28/6 = 28 × 15/6 × 15 = 420/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
20/45 = 20 × 2/45 × 2 = 40/90 - Add the two like fractions:
420/90 + 40/90 = 420 + 40/90 = 460/90 - 460/90 simplified gives 46/9
- So, 28/6 + 20/45 = 46/9
In mixed form: 51/9
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