Add 21/20 and 45/49
1st number: 1 1/20, 2nd number: 45/49
21/20 + 45/49 is 1929/980.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 49 is 980
Next, find the equivalent fraction of both fractional numbers with denominator 980 - For the 1st fraction, since 20 × 49 = 980,
21/20 = 21 × 49/20 × 49 = 1029/980 - Likewise, for the 2nd fraction, since 49 × 20 = 980,
45/49 = 45 × 20/49 × 20 = 900/980 - Add the two like fractions:
1029/980 + 900/980 = 1029 + 900/980 = 1929/980 - So, 21/20 + 45/49 = 1929/980
In mixed form: 1949/980
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