Add 45/15 and 81/48
1st number: 3 0/15, 2nd number: 1 33/48
45/15 + 81/48 is 75/16.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 48 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 15 × 16 = 240,
45/15 = 45 × 16/15 × 16 = 720/240 - Likewise, for the 2nd fraction, since 48 × 5 = 240,
81/48 = 81 × 5/48 × 5 = 405/240 - Add the two like fractions:
720/240 + 405/240 = 720 + 405/240 = 1125/240 - 1125/240 simplified gives 75/16
- So, 45/15 + 81/48 = 75/16
In mixed form: 411/16
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