Add 20/28 and 40/75
20/28 + 40/75 is 131/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 75 is 2100
Next, find the equivalent fraction of both fractional numbers with denominator 2100 - For the 1st fraction, since 28 × 75 = 2100,
20/28 = 20 × 75/28 × 75 = 1500/2100 - Likewise, for the 2nd fraction, since 75 × 28 = 2100,
40/75 = 40 × 28/75 × 28 = 1120/2100 - Add the two like fractions:
1500/2100 + 1120/2100 = 1500 + 1120/2100 = 2620/2100 - 2620/2100 simplified gives 131/105
- So, 20/28 + 40/75 = 131/105
In mixed form: 126/105
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