Add 54/45 and 7/20
1st number: 1 9/45, 2nd number: 7/20
54/45 + 7/20 is 31/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 20 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 45 × 4 = 180,
54/45 = 54 × 4/45 × 4 = 216/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
7/20 = 7 × 9/20 × 9 = 63/180 - Add the two like fractions:
216/180 + 63/180 = 216 + 63/180 = 279/180 - 279/180 simplified gives 31/20
- So, 54/45 + 7/20 = 31/20
In mixed form: 111/20
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