Add 30/80 and 9/15
30/80 + 9/15 is 39/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 15 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 80 × 3 = 240,
30/80 = 30 × 3/80 × 3 = 90/240 - Likewise, for the 2nd fraction, since 15 × 16 = 240,
9/15 = 9 × 16/15 × 16 = 144/240 - Add the two like fractions:
90/240 + 144/240 = 90 + 144/240 = 234/240 - 234/240 simplified gives 39/40
- So, 30/80 + 9/15 = 39/40
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