Add 45/25 and 12/40
1st number: 1 20/25, 2nd number: 12/40
45/25 + 12/40 is 21/10.
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,
45/25 = 45 × 8/25 × 8 = 360/200 - Likewise, for the 2nd fraction, since 40 × 5 = 200,
12/40 = 12 × 5/40 × 5 = 60/200 - Add the two like fractions:
360/200 + 60/200 = 360 + 60/200 = 420/200 - 420/200 simplified gives 21/10
- So, 45/25 + 12/40 = 21/10
In mixed form: 21/10
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