Add 30/75 and 30/40
30/75 + 30/40 is 23/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 40 is 600
Next, find the equivalent fraction of both fractional numbers with denominator 600 - For the 1st fraction, since 75 × 8 = 600,
30/75 = 30 × 8/75 × 8 = 240/600 - Likewise, for the 2nd fraction, since 40 × 15 = 600,
30/40 = 30 × 15/40 × 15 = 450/600 - Add the two like fractions:
240/600 + 450/600 = 240 + 450/600 = 690/600 - 690/600 simplified gives 23/20
- So, 30/75 + 30/40 = 23/20
In mixed form: 13/20
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