Add 54/20 and 80/28
1st number: 2 14/20, 2nd number: 2 24/28
54/20 + 80/28 is 389/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 28 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 20 × 7 = 140,
54/20 = 54 × 7/20 × 7 = 378/140 - Likewise, for the 2nd fraction, since 28 × 5 = 140,
80/28 = 80 × 5/28 × 5 = 400/140 - Add the two like fractions:
378/140 + 400/140 = 378 + 400/140 = 778/140 - 778/140 simplified gives 389/70
- So, 54/20 + 80/28 = 389/70
In mixed form: 539/70
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