Add 25/16 and 90/72
1st number: 1 9/16, 2nd number: 1 18/72
25/16 + 90/72 is 45/16.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 72 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 16 × 9 = 144,
25/16 = 25 × 9/16 × 9 = 225/144 - Likewise, for the 2nd fraction, since 72 × 2 = 144,
90/72 = 90 × 2/72 × 2 = 180/144 - Add the two like fractions:
225/144 + 180/144 = 225 + 180/144 = 405/144 - 405/144 simplified gives 45/16
- So, 25/16 + 90/72 = 45/16
In mixed form: 213/16
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