Add 28/40 and 15/8
1st number: 28/40, 2nd number: 1 7/8
28/40 + 15/8 is 103/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 8 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 40 × 1 = 40,
28/40 = 28 × 1/40 × 1 = 28/40 - Likewise, for the 2nd fraction, since 8 × 5 = 40,
15/8 = 15 × 5/8 × 5 = 75/40 - Add the two like fractions:
28/40 + 75/40 = 28 + 75/40 = 103/40 - So, 28/40 + 15/8 = 103/40
In mixed form: 223/40
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