Add 25/80 and 90/72
1st number: 25/80, 2nd number: 1 18/72
25/80 + 90/72 is 25/16.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 72 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 72 × 10 = 720,
90/72 = 90 × 10/72 × 10 = 900/720 - Add the two like fractions:
225/720 + 900/720 = 225 + 900/720 = 1125/720 - 1125/720 simplified gives 25/16
- So, 25/80 + 90/72 = 25/16
In mixed form: 19/16
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