Add 18/15 and 28/16
1st number: 1 3/15, 2nd number: 1 12/16
18/15 + 28/16 is 59/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 16 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 15 × 16 = 240,
18/15 = 18 × 16/15 × 16 = 288/240 - Likewise, for the 2nd fraction, since 16 × 15 = 240,
28/16 = 28 × 15/16 × 15 = 420/240 - Add the two like fractions:
288/240 + 420/240 = 288 + 420/240 = 708/240 - 708/240 simplified gives 59/20
- So, 18/15 + 28/16 = 59/20
In mixed form: 219/20
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