Add 9/40 and 45/25
1st number: 9/40, 2nd number: 1 20/25
9/40 + 45/25 is 81/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 25 is 200
Next, find the equivalent fraction of both fractional numbers with denominator 200 - For the 1st fraction, since 40 × 5 = 200,
9/40 = 9 × 5/40 × 5 = 45/200 - Likewise, for the 2nd fraction, since 25 × 8 = 200,
45/25 = 45 × 8/25 × 8 = 360/200 - Add the two like fractions:
45/200 + 360/200 = 45 + 360/200 = 405/200 - 405/200 simplified gives 81/40
- So, 9/40 + 45/25 = 81/40
In mixed form: 21/40
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