Add 3/15 and 28/80
3/15 + 28/80 is 11/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 15 × 16 = 240,
3/15 = 3 × 16/15 × 16 = 48/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
28/80 = 28 × 3/80 × 3 = 84/240 - Add the two like fractions:
48/240 + 84/240 = 48 + 84/240 = 132/240 - 132/240 simplified gives 11/20
- So, 3/15 + 28/80 = 11/20
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