Add 28/14 and 15/40
1st number: 2 0/14, 2nd number: 15/40
28/14 + 15/40 is 19/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 40 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 14 × 20 = 280,
28/14 = 28 × 20/14 × 20 = 560/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
15/40 = 15 × 7/40 × 7 = 105/280 - Add the two like fractions:
560/280 + 105/280 = 560 + 105/280 = 665/280 - 665/280 simplified gives 19/8
- So, 28/14 + 15/40 = 19/8
In mixed form: 23/8
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