Add 21/75 and 2/5
21/75 + 2/5 is 17/25.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 5 is 75
Next, find the equivalent fraction of both fractional numbers with denominator 75 - For the 1st fraction, since 75 × 1 = 75,
21/75 = 21 × 1/75 × 1 = 21/75 - Likewise, for the 2nd fraction, since 5 × 15 = 75,
2/5 = 2 × 15/5 × 15 = 30/75 - Add the two like fractions:
21/75 + 30/75 = 21 + 30/75 = 51/75 - 51/75 simplified gives 17/25
- So, 21/75 + 2/5 = 17/25
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