Add 72/4 and 81/16
1st number: 18 0/4, 2nd number: 5 1/16
72/4 + 81/16 is 369/16.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 16 is 16
Next, find the equivalent fraction of both fractional numbers with denominator 16 - For the 1st fraction, since 4 × 4 = 16,
72/4 = 72 × 4/4 × 4 = 288/16 - Likewise, for the 2nd fraction, since 16 × 1 = 16,
81/16 = 81 × 1/16 × 1 = 81/16 - Add the two like fractions:
288/16 + 81/16 = 288 + 81/16 = 369/16 - So, 72/4 + 81/16 = 369/16
In mixed form: 231/16
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