Add 28/8 and 75/20
1st number: 3 4/8, 2nd number: 3 15/20
28/8 + 75/20 is 29/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 20 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 8 × 5 = 40,
28/8 = 28 × 5/8 × 5 = 140/40 - Likewise, for the 2nd fraction, since 20 × 2 = 40,
75/20 = 75 × 2/20 × 2 = 150/40 - Add the two like fractions:
140/40 + 150/40 = 140 + 150/40 = 290/40 - 290/40 simplified gives 29/4
- So, 28/8 + 75/20 = 29/4
In mixed form: 71/4
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