Add 72/16 and 90/25
1st number: 4 8/16, 2nd number: 3 15/25
72/16 + 90/25 is 81/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 25 is 400
Next, find the equivalent fraction of both fractional numbers with denominator 400 - For the 1st fraction, since 16 × 25 = 400,
72/16 = 72 × 25/16 × 25 = 1800/400 - Likewise, for the 2nd fraction, since 25 × 16 = 400,
90/25 = 90 × 16/25 × 16 = 1440/400 - Add the two like fractions:
1800/400 + 1440/400 = 1800 + 1440/400 = 3240/400 - 3240/400 simplified gives 81/10
- So, 72/16 + 90/25 = 81/10
In mixed form: 81/10
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