Add 21/75 and 15/40
21/75 + 15/40 is 131/200.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 40 is 600
Next, find the equivalent fraction of both fractional numbers with denominator 600 - For the 1st fraction, since 75 × 8 = 600,
21/75 = 21 × 8/75 × 8 = 168/600 - Likewise, for the 2nd fraction, since 40 × 15 = 600,
15/40 = 15 × 15/40 × 15 = 225/600 - Add the two like fractions:
168/600 + 225/600 = 168 + 225/600 = 393/600 - 393/600 simplified gives 131/200
- So, 21/75 + 15/40 = 131/200
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