Add 20/4 and 21/49
1st number: 5 0/4, 2nd number: 21/49
20/4 + 21/49 is 38/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 49 is 196
Next, find the equivalent fraction of both fractional numbers with denominator 196 - For the 1st fraction, since 4 × 49 = 196,
20/4 = 20 × 49/4 × 49 = 980/196 - Likewise, for the 2nd fraction, since 49 × 4 = 196,
21/49 = 21 × 4/49 × 4 = 84/196 - Add the two like fractions:
980/196 + 84/196 = 980 + 84/196 = 1064/196 - 1064/196 simplified gives 38/7
- So, 20/4 + 21/49 = 38/7
In mixed form: 53/7
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