Add 54/15 and 20/56
1st number: 3 9/15, 2nd number: 20/56
54/15 + 20/56 is 277/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 56 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 15 × 56 = 840,
54/15 = 54 × 56/15 × 56 = 3024/840 - Likewise, for the 2nd fraction, since 56 × 15 = 840,
20/56 = 20 × 15/56 × 15 = 300/840 - Add the two like fractions:
3024/840 + 300/840 = 3024 + 300/840 = 3324/840 - 3324/840 simplified gives 277/70
- So, 54/15 + 20/56 = 277/70
In mixed form: 367/70
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