Add 54/15 and 20/36
1st number: 3 9/15, 2nd number: 20/36
54/15 + 20/36 is 187/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 36 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 15 × 12 = 180,
54/15 = 54 × 12/15 × 12 = 648/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
20/36 = 20 × 5/36 × 5 = 100/180 - Add the two like fractions:
648/180 + 100/180 = 648 + 100/180 = 748/180 - 748/180 simplified gives 187/45
- So, 54/15 + 20/36 = 187/45
In mixed form: 47/45
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