Add 72/14 and 18/40
1st number: 5 2/14, 2nd number: 18/40
72/14 + 18/40 is 783/140.
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,
18/40 = 18 × 7/40 × 7 = 126/280 - Add the two like fractions:
1440/280 + 126/280 = 1440 + 126/280 = 1566/280 - 1566/280 simplified gives 783/140
- So, 72/14 + 18/40 = 783/140
In mixed form: 583/140
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