Add 72/14 and 28/40
1st number: 5 2/14, 2nd number: 28/40
72/14 + 28/40 is 409/70.
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,
72/14 = 72 × 20/14 × 20 = 1440/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
28/40 = 28 × 7/40 × 7 = 196/280 - Add the two like fractions:
1440/280 + 196/280 = 1440 + 196/280 = 1636/280 - 1636/280 simplified gives 409/70
- So, 72/14 + 28/40 = 409/70
In mixed form: 559/70
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