Add 28/50 and 72/90
28/50 + 72/90 is 34/25.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 90 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 50 × 9 = 450,
28/50 = 28 × 9/50 × 9 = 252/450 - Likewise, for the 2nd fraction, since 90 × 5 = 450,
72/90 = 72 × 5/90 × 5 = 360/450 - Add the two like fractions:
252/450 + 360/450 = 252 + 360/450 = 612/450 - 612/450 simplified gives 34/25
- So, 28/50 + 72/90 = 34/25
In mixed form: 19/25
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