Add 28/16 and 45/15
1st number: 1 12/16, 2nd number: 3 0/15
28/16 + 45/15 is 19/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 15 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 16 × 15 = 240,
28/16 = 28 × 15/16 × 15 = 420/240 - Likewise, for the 2nd fraction, since 15 × 16 = 240,
45/15 = 45 × 16/15 × 16 = 720/240 - Add the two like fractions:
420/240 + 720/240 = 420 + 720/240 = 1140/240 - 1140/240 simplified gives 19/4
- So, 28/16 + 45/15 = 19/4
In mixed form: 43/4
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