Add 15/4 and 42/40
1st number: 3 3/4, 2nd number: 1 2/40
15/4 + 42/40 is 24/5.
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,
42/40 = 42 × 1/40 × 1 = 42/40 - Add the two like fractions:
150/40 + 42/40 = 150 + 42/40 = 192/40 - 192/40 simplified gives 24/5
- So, 15/4 + 42/40 = 24/5
In mixed form: 44/5
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