Add 21/25 and 2/40
21/25 + 2/40 is 89/100.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 40 is 200
Next, find the equivalent fraction of both fractional numbers with denominator 200 - For the 1st fraction, since 25 × 8 = 200,
21/25 = 21 × 8/25 × 8 = 168/200 - Likewise, for the 2nd fraction, since 40 × 5 = 200,
2/40 = 2 × 5/40 × 5 = 10/200 - Add the two like fractions:
168/200 + 10/200 = 168 + 10/200 = 178/200 - 178/200 simplified gives 89/100
- So, 21/25 + 2/40 = 89/100
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