Add 98/20 and 27/21
1st number: 4 18/20, 2nd number: 1 6/21
98/20 + 27/21 is 433/70.
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,
27/21 = 27 × 20/21 × 20 = 540/420 - Add the two like fractions:
2058/420 + 540/420 = 2058 + 540/420 = 2598/420 - 2598/420 simplified gives 433/70
- So, 98/20 + 27/21 = 433/70
In mixed form: 613/70
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