Add 27/14 and 21/40
1st number: 1 13/14, 2nd number: 21/40
27/14 + 21/40 is 687/280.
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,
27/14 = 27 × 20/14 × 20 = 540/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
21/40 = 21 × 7/40 × 7 = 147/280 - Add the two like fractions:
540/280 + 147/280 = 540 + 147/280 = 687/280 - So, 27/14 + 21/40 = 687/280
In mixed form: 2127/280
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