Add 10/75 and 90/20
1st number: 10/75, 2nd number: 4 10/20
10/75 + 90/20 is 139/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 20 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 75 × 4 = 300,
10/75 = 10 × 4/75 × 4 = 40/300 - Likewise, for the 2nd fraction, since 20 × 15 = 300,
90/20 = 90 × 15/20 × 15 = 1350/300 - Add the two like fractions:
40/300 + 1350/300 = 40 + 1350/300 = 1390/300 - 1390/300 simplified gives 139/30
- So, 10/75 + 90/20 = 139/30
In mixed form: 419/30
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