Add 98/20 and 5/21
1st number: 4 18/20, 2nd number: 5/21
98/20 + 5/21 is 1079/210.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 21 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 20 × 21 = 420,
98/20 = 98 × 21/20 × 21 = 2058/420 - Likewise, for the 2nd fraction, since 21 × 20 = 420,
5/21 = 5 × 20/21 × 20 = 100/420 - Add the two like fractions:
2058/420 + 100/420 = 2058 + 100/420 = 2158/420 - 2158/420 simplified gives 1079/210
- So, 98/20 + 5/21 = 1079/210
In mixed form: 529/210
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