Add 28/25 and 72/90
1st number: 1 3/25, 2nd number: 72/90
28/25 + 72/90 is 48/25.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 90 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 25 × 18 = 450,
28/25 = 28 × 18/25 × 18 = 504/450 - Likewise, for the 2nd fraction, since 90 × 5 = 450,
72/90 = 72 × 5/90 × 5 = 360/450 - Add the two like fractions:
504/450 + 360/450 = 504 + 360/450 = 864/450 - 864/450 simplified gives 48/25
- So, 28/25 + 72/90 = 48/25
In mixed form: 123/25
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