Add 21/25 and 10/40
21/25 + 10/40 is 109/100.
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,
10/40 = 10 × 5/40 × 5 = 50/200 - Add the two like fractions:
168/200 + 50/200 = 168 + 50/200 = 218/200 - 218/200 simplified gives 109/100
- So, 21/25 + 10/40 = 109/100
In mixed form: 19/100
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