Add 45/80 and 60/72
45/80 + 60/72 is 67/48.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 72 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 80 × 9 = 720,
45/80 = 45 × 9/80 × 9 = 405/720 - Likewise, for the 2nd fraction, since 72 × 10 = 720,
60/72 = 60 × 10/72 × 10 = 600/720 - Add the two like fractions:
405/720 + 600/720 = 405 + 600/720 = 1005/720 - 1005/720 simplified gives 67/48
- So, 45/80 + 60/72 = 67/48
In mixed form: 119/48
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Related: 90/80+60/72