Add 25/80 and 30/90
25/80 + 30/90 is 31/48.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 90 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 80 × 9 = 720,
25/80 = 25 × 9/80 × 9 = 225/720 - Likewise, for the 2nd fraction, since 90 × 8 = 720,
30/90 = 30 × 8/90 × 8 = 240/720 - Add the two like fractions:
225/720 + 240/720 = 225 + 240/720 = 465/720 - 465/720 simplified gives 31/48
- So, 25/80 + 30/90 = 31/48
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