Add 28/16 and 45/30
1st number: 1 12/16, 2nd number: 1 15/30
28/16 + 45/30 is 13/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 30 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 30 × 8 = 240,
45/30 = 45 × 8/30 × 8 = 360/240 - Add the two like fractions:
420/240 + 360/240 = 420 + 360/240 = 780/240 - 780/240 simplified gives 13/4
- So, 28/16 + 45/30 = 13/4
In mixed form: 31/4
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