Add 28/8 and 54/15
1st number: 3 4/8, 2nd number: 3 9/15
28/8 + 54/15 is 71/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 15 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 8 × 15 = 120,
28/8 = 28 × 15/8 × 15 = 420/120 - Likewise, for the 2nd fraction, since 15 × 8 = 120,
54/15 = 54 × 8/15 × 8 = 432/120 - Add the two like fractions:
420/120 + 432/120 = 420 + 432/120 = 852/120 - 852/120 simplified gives 71/10
- So, 28/8 + 54/15 = 71/10
In mixed form: 71/10
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