Add 21/80 and 8/15
21/80 + 8/15 is 191/240.
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,
21/80 = 21 × 3/80 × 3 = 63/240 - Likewise, for the 2nd fraction, since 15 × 16 = 240,
8/15 = 8 × 16/15 × 16 = 128/240 - Add the two like fractions:
63/240 + 128/240 = 63 + 128/240 = 191/240 - So, 21/80 + 8/15 = 191/240
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