Add 20/14 and 21/4
1st number: 1 6/14, 2nd number: 5 1/4
20/14 + 21/4 is 187/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 4 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 14 × 2 = 28,
20/14 = 20 × 2/14 × 2 = 40/28 - Likewise, for the 2nd fraction, since 4 × 7 = 28,
21/4 = 21 × 7/4 × 7 = 147/28 - Add the two like fractions:
40/28 + 147/28 = 40 + 147/28 = 187/28 - So, 20/14 + 21/4 = 187/28
In mixed form: 619/28
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