Add 70/45 and 8/12
1st number: 1 25/45, 2nd number: 8/12
70/45 + 8/12 is 20/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 12 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 45 × 4 = 180,
70/45 = 70 × 4/45 × 4 = 280/180 - Likewise, for the 2nd fraction, since 12 × 15 = 180,
8/12 = 8 × 15/12 × 15 = 120/180 - Add the two like fractions:
280/180 + 120/180 = 280 + 120/180 = 400/180 - 400/180 simplified gives 20/9
- So, 70/45 + 8/12 = 20/9
In mixed form: 22/9
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