Add 30/40 and 90/25
1st number: 30/40, 2nd number: 3 15/25
30/40 + 90/25 is 87/20.
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,
30/40 = 30 × 5/40 × 5 = 150/200 - Likewise, for the 2nd fraction, since 25 × 8 = 200,
90/25 = 90 × 8/25 × 8 = 720/200 - Add the two like fractions:
150/200 + 720/200 = 150 + 720/200 = 870/200 - 870/200 simplified gives 87/20
- So, 30/40 + 90/25 = 87/20
In mixed form: 47/20
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