Add 30/45 and 54/80
30/45 + 54/80 is 161/120.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 80 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 45 × 16 = 720,
30/45 = 30 × 16/45 × 16 = 480/720 - Likewise, for the 2nd fraction, since 80 × 9 = 720,
54/80 = 54 × 9/80 × 9 = 486/720 - Add the two like fractions:
480/720 + 486/720 = 480 + 486/720 = 966/720 - 966/720 simplified gives 161/120
- So, 30/45 + 54/80 = 161/120
In mixed form: 141/120
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