Add 18/28 and 54/20
1st number: 18/28, 2nd number: 2 14/20
18/28 + 54/20 is 117/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 20 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 28 × 5 = 140,
18/28 = 18 × 5/28 × 5 = 90/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
54/20 = 54 × 7/20 × 7 = 378/140 - Add the two like fractions:
90/140 + 378/140 = 90 + 378/140 = 468/140 - 468/140 simplified gives 117/35
- So, 18/28 + 54/20 = 117/35
In mixed form: 312/35
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