Add 45/3 and 81/56
1st number: 15 0/3, 2nd number: 1 25/56
45/3 + 81/56 is 921/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 56 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 3 × 56 = 168,
45/3 = 45 × 56/3 × 56 = 2520/168 - Likewise, for the 2nd fraction, since 56 × 3 = 168,
81/56 = 81 × 3/56 × 3 = 243/168 - Add the two like fractions:
2520/168 + 243/168 = 2520 + 243/168 = 2763/168 - 2763/168 simplified gives 921/56
- So, 45/3 + 81/56 = 921/56
In mixed form: 1625/56
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