Add 18/5 and 15/28
1st number: 3 3/5, 2nd number: 15/28
18/5 + 15/28 is 579/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 28 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 5 × 28 = 140,
18/5 = 18 × 28/5 × 28 = 504/140 - Likewise, for the 2nd fraction, since 28 × 5 = 140,
15/28 = 15 × 5/28 × 5 = 75/140 - Add the two like fractions:
504/140 + 75/140 = 504 + 75/140 = 579/140 - So, 18/5 + 15/28 = 579/140
In mixed form: 419/140
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