Add 5/75 and 21/40
5/75 + 21/40 is 71/120.
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,
5/75 = 5 × 8/75 × 8 = 40/600 - Likewise, for the 2nd fraction, since 40 × 15 = 600,
21/40 = 21 × 15/40 × 15 = 315/600 - Add the two like fractions:
40/600 + 315/600 = 40 + 315/600 = 355/600 - 355/600 simplified gives 71/120
- So, 5/75 + 21/40 = 71/120
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