Add 81/4 and 14/7
1st number: 20 1/4, 2nd number: 2 0/7
81/4 + 14/7 is 89/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 7 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 4 × 7 = 28,
81/4 = 81 × 7/4 × 7 = 567/28 - Likewise, for the 2nd fraction, since 7 × 4 = 28,
14/7 = 14 × 4/7 × 4 = 56/28 - Add the two like fractions:
567/28 + 56/28 = 567 + 56/28 = 623/28 - 623/28 simplified gives 89/4
- So, 81/4 + 14/7 = 89/4
In mixed form: 221/4
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