Add 30/80 and 10/90
30/80 + 10/90 is 35/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 90 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 80 × 9 = 720,
30/80 = 30 × 9/80 × 9 = 270/720 - Likewise, for the 2nd fraction, since 90 × 8 = 720,
10/90 = 10 × 8/90 × 8 = 80/720 - Add the two like fractions:
270/720 + 80/720 = 270 + 80/720 = 350/720 - 350/720 simplified gives 35/72
- So, 30/80 + 10/90 = 35/72
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