Add 54/14 and 9/40
1st number: 3 12/14, 2nd number: 9/40
54/14 + 9/40 is 1143/280.
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,
54/14 = 54 × 20/14 × 20 = 1080/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
9/40 = 9 × 7/40 × 7 = 63/280 - Add the two like fractions:
1080/280 + 63/280 = 1080 + 63/280 = 1143/280 - So, 54/14 + 9/40 = 1143/280
In mixed form: 423/280
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