Add 20/40 and 40/25
1st number: 20/40, 2nd number: 1 15/25
20/40 + 40/25 is 21/10.
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,
20/40 = 20 × 5/40 × 5 = 100/200 - Likewise, for the 2nd fraction, since 25 × 8 = 200,
40/25 = 40 × 8/25 × 8 = 320/200 - Add the two like fractions:
100/200 + 320/200 = 100 + 320/200 = 420/200 - 420/200 simplified gives 21/10
- So, 20/40 + 40/25 = 21/10
In mixed form: 21/10
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