Add 21/14 and 2/40
1st number: 1 7/14, 2nd number: 2/40
21/14 + 2/40 is 31/20.
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,
21/14 = 21 × 20/14 × 20 = 420/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
2/40 = 2 × 7/40 × 7 = 14/280 - Add the two like fractions:
420/280 + 14/280 = 420 + 14/280 = 434/280 - 434/280 simplified gives 31/20
- So, 21/14 + 2/40 = 31/20
In mixed form: 111/20
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