Add 54/45 and 70/80
1st number: 1 9/45, 2nd number: 70/80
54/45 + 70/80 is 83/40.
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,
70/80 = 70 × 9/80 × 9 = 630/720 - Add the two like fractions:
864/720 + 630/720 = 864 + 630/720 = 1494/720 - 1494/720 simplified gives 83/40
- So, 54/45 + 70/80 = 83/40
In mixed form: 23/40
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