Add 21/75 and 8/40
21/75 + 8/40 is 12/25.
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,
8/40 = 8 × 15/40 × 15 = 120/600 - Add the two like fractions:
168/600 + 120/600 = 168 + 120/600 = 288/600 - 288/600 simplified gives 12/25
- So, 21/75 + 8/40 = 12/25
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