Add 72/14 and 42/40
1st number: 5 2/14, 2nd number: 1 2/40
72/14 + 42/40 is 867/140.
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,
42/40 = 42 × 7/40 × 7 = 294/280 - Add the two like fractions:
1440/280 + 294/280 = 1440 + 294/280 = 1734/280 - 1734/280 simplified gives 867/140
- So, 72/14 + 42/40 = 867/140
In mixed form: 627/140
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