Add 20/4 and 21/7
1st number: 5 0/4, 2nd number: 3 0/7
20/4 + 21/7 is 8/1.
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,
20/4 = 20 × 7/4 × 7 = 140/28 - Likewise, for the 2nd fraction, since 7 × 4 = 28,
21/7 = 21 × 4/7 × 4 = 84/28 - Add the two like fractions:
140/28 + 84/28 = 140 + 84/28 = 224/28 - 224/28 simplified gives 8/1
- So, 20/4 + 21/7 = 8/1
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