Add 15/4 and 75/40
1st number: 3 3/4, 2nd number: 1 35/40
15/4 + 75/40 is 45/8.
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,
75/40 = 75 × 1/40 × 1 = 75/40 - Add the two like fractions:
150/40 + 75/40 = 150 + 75/40 = 225/40 - 225/40 simplified gives 45/8
- So, 15/4 + 75/40 = 45/8
In mixed form: 55/8
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