Add 54/15 and 15/8
1st number: 3 9/15, 2nd number: 1 7/8
54/15 + 15/8 is 219/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 8 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 15 × 8 = 120,
54/15 = 54 × 8/15 × 8 = 432/120 - Likewise, for the 2nd fraction, since 8 × 15 = 120,
15/8 = 15 × 15/8 × 15 = 225/120 - Add the two like fractions:
432/120 + 225/120 = 432 + 225/120 = 657/120 - 657/120 simplified gives 219/40
- So, 54/15 + 15/8 = 219/40
In mixed form: 519/40
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