Add 30/75 and 30/80
30/75 + 30/80 is 31/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 80 is 1200
Next, find the equivalent fraction of both fractional numbers with denominator 1200 - For the 1st fraction, since 75 × 16 = 1200,
30/75 = 30 × 16/75 × 16 = 480/1200 - Likewise, for the 2nd fraction, since 80 × 15 = 1200,
30/80 = 30 × 15/80 × 15 = 450/1200 - Add the two like fractions:
480/1200 + 450/1200 = 480 + 450/1200 = 930/1200 - 930/1200 simplified gives 31/40
- So, 30/75 + 30/80 = 31/40
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