Add 80/60 and 70/45
1st number: 1 20/60, 2nd number: 1 25/45
80/60 + 70/45 is 26/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 45 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 60 × 3 = 180,
80/60 = 80 × 3/60 × 3 = 240/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
70/45 = 70 × 4/45 × 4 = 280/180 - Add the two like fractions:
240/180 + 280/180 = 240 + 280/180 = 520/180 - 520/180 simplified gives 26/9
- So, 80/60 + 70/45 = 26/9
In mixed form: 28/9
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