Add 15/5 and 54/40
1st number: 3 0/5, 2nd number: 1 14/40
15/5 + 54/40 is 87/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 5 × 8 = 40,
15/5 = 15 × 8/5 × 8 = 120/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
54/40 = 54 × 1/40 × 1 = 54/40 - Add the two like fractions:
120/40 + 54/40 = 120 + 54/40 = 174/40 - 174/40 simplified gives 87/20
- So, 15/5 + 54/40 = 87/20
In mixed form: 47/20
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