Add 21/40 and 98/20
1st number: 21/40, 2nd number: 4 18/20
21/40 + 98/20 is 217/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 20 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 40 × 1 = 40,
21/40 = 21 × 1/40 × 1 = 21/40 - Likewise, for the 2nd fraction, since 20 × 2 = 40,
98/20 = 98 × 2/20 × 2 = 196/40 - Add the two like fractions:
21/40 + 196/40 = 21 + 196/40 = 217/40 - So, 21/40 + 98/20 = 217/40
In mixed form: 517/40
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