Add 15/4 and 30/40
1st number: 3 3/4, 2nd number: 30/40
15/4 + 30/40 is 9/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 4 × 10 = 40,
15/4 = 15 × 10/4 × 10 = 150/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
30/40 = 30 × 1/40 × 1 = 30/40 - Add the two like fractions:
150/40 + 30/40 = 150 + 30/40 = 180/40 - 180/40 simplified gives 9/2
- So, 15/4 + 30/40 = 9/2
In mixed form: 41/2
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