Add 54/20 and 15/45
1st number: 2 14/20, 2nd number: 15/45
54/20 + 15/45 is 91/30.
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,
15/45 = 15 × 4/45 × 4 = 60/180 - Add the two like fractions:
486/180 + 60/180 = 486 + 60/180 = 546/180 - 546/180 simplified gives 91/30
- So, 54/20 + 15/45 = 91/30
In mixed form: 31/30
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