Add 54/56 and 45/30
1st number: 54/56, 2nd number: 1 15/30
54/56 + 45/30 is 69/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 30 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 56 × 15 = 840,
54/56 = 54 × 15/56 × 15 = 810/840 - Likewise, for the 2nd fraction, since 30 × 28 = 840,
45/30 = 45 × 28/30 × 28 = 1260/840 - Add the two like fractions:
810/840 + 1260/840 = 810 + 1260/840 = 2070/840 - 2070/840 simplified gives 69/28
- So, 54/56 + 45/30 = 69/28
In mixed form: 213/28
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