Add 54/45 and 90/80
1st number: 1 9/45, 2nd number: 1 10/80
54/45 + 90/80 is 93/40.
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,
54/45 = 54 × 16/45 × 16 = 864/720 - Likewise, for the 2nd fraction, since 80 × 9 = 720,
90/80 = 90 × 9/80 × 9 = 810/720 - Add the two like fractions:
864/720 + 810/720 = 864 + 810/720 = 1674/720 - 1674/720 simplified gives 93/40
- So, 54/45 + 90/80 = 93/40
In mixed form: 213/40
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Related: 54/90+90/80