Add 45/14 and 54/40
1st number: 3 3/14, 2nd number: 1 14/40
45/14 + 54/40 is 639/140.
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,
45/14 = 45 × 20/14 × 20 = 900/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
54/40 = 54 × 7/40 × 7 = 378/280 - Add the two like fractions:
900/280 + 378/280 = 900 + 378/280 = 1278/280 - 1278/280 simplified gives 639/140
- So, 45/14 + 54/40 = 639/140
In mixed form: 479/140
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