Add 7/20 and 75/42
1st number: 7/20, 2nd number: 1 33/42
7/20 + 75/42 is 299/140.
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,
7/20 = 7 × 21/20 × 21 = 147/420 - Likewise, for the 2nd fraction, since 42 × 10 = 420,
75/42 = 75 × 10/42 × 10 = 750/420 - Add the two like fractions:
147/420 + 750/420 = 147 + 750/420 = 897/420 - 897/420 simplified gives 299/140
- So, 7/20 + 75/42 = 299/140
In mixed form: 219/140
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