Add 21/5 and 20/49
1st number: 4 1/5, 2nd number: 20/49
21/5 + 20/49 is 1129/245.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 49 is 245
Next, find the equivalent fraction of both fractional numbers with denominator 245 - For the 1st fraction, since 5 × 49 = 245,
21/5 = 21 × 49/5 × 49 = 1029/245 - Likewise, for the 2nd fraction, since 49 × 5 = 245,
20/49 = 20 × 5/49 × 5 = 100/245 - Add the two like fractions:
1029/245 + 100/245 = 1029 + 100/245 = 1129/245 - So, 21/5 + 20/49 = 1129/245
In mixed form: 4149/245
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