Add 28/20 and 98/42
1st number: 1 8/20, 2nd number: 2 14/42
28/20 + 98/42 is 56/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 42 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 20 × 21 = 420,
28/20 = 28 × 21/20 × 21 = 588/420 - Likewise, for the 2nd fraction, since 42 × 10 = 420,
98/42 = 98 × 10/42 × 10 = 980/420 - Add the two like fractions:
588/420 + 980/420 = 588 + 980/420 = 1568/420 - 1568/420 simplified gives 56/15
- So, 28/20 + 98/42 = 56/15
In mixed form: 311/15
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