Add 45/16 and 81/72
1st number: 2 13/16, 2nd number: 1 9/72
45/16 + 81/72 is 63/16.
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,
45/16 = 45 × 9/16 × 9 = 405/144 - Likewise, for the 2nd fraction, since 72 × 2 = 144,
81/72 = 81 × 2/72 × 2 = 162/144 - Add the two like fractions:
405/144 + 162/144 = 405 + 162/144 = 567/144 - 567/144 simplified gives 63/16
- So, 45/16 + 81/72 = 63/16
In mixed form: 315/16
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