Add 54/20 and 20/45
1st number: 2 14/20, 2nd number: 20/45
54/20 + 20/45 is 283/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 45 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 20 × 9 = 180,
54/20 = 54 × 9/20 × 9 = 486/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
20/45 = 20 × 4/45 × 4 = 80/180 - Add the two like fractions:
486/180 + 80/180 = 486 + 80/180 = 566/180 - 566/180 simplified gives 283/90
- So, 54/20 + 20/45 = 283/90
In mixed form: 313/90
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