Add 28/14 and 72/40
1st number: 2 0/14, 2nd number: 1 32/40
28/14 + 72/40 is 19/5.
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,
72/40 = 72 × 7/40 × 7 = 504/280 - Add the two like fractions:
560/280 + 504/280 = 560 + 504/280 = 1064/280 - 1064/280 simplified gives 19/5
- So, 28/14 + 72/40 = 19/5
In mixed form: 34/5
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