Add 15/5 and 45/28
1st number: 3 0/5, 2nd number: 1 17/28
15/5 + 45/28 is 129/28.
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,
15/5 = 15 × 28/5 × 28 = 420/140 - Likewise, for the 2nd fraction, since 28 × 5 = 140,
45/28 = 45 × 5/28 × 5 = 225/140 - Add the two like fractions:
420/140 + 225/140 = 420 + 225/140 = 645/140 - 645/140 simplified gives 129/28
- So, 15/5 + 45/28 = 129/28
In mixed form: 417/28
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