Add 54/28 and 15/40
1st number: 1 26/28, 2nd number: 15/40
54/28 + 15/40 is 129/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 40 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 28 × 10 = 280,
54/28 = 54 × 10/28 × 10 = 540/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
15/40 = 15 × 7/40 × 7 = 105/280 - Add the two like fractions:
540/280 + 105/280 = 540 + 105/280 = 645/280 - 645/280 simplified gives 129/56
- So, 54/28 + 15/40 = 129/56
In mixed form: 217/56
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