Add 28/90 and 40/50
28/90 + 40/50 is 10/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 50 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 90 × 5 = 450,
28/90 = 28 × 5/90 × 5 = 140/450 - Likewise, for the 2nd fraction, since 50 × 9 = 450,
40/50 = 40 × 9/50 × 9 = 360/450 - Add the two like fractions:
140/450 + 360/450 = 140 + 360/450 = 500/450 - 500/450 simplified gives 10/9
- So, 28/90 + 40/50 = 10/9
In mixed form: 11/9
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