Add 28/45 and 70/12
1st number: 28/45, 2nd number: 5 10/12
28/45 + 70/12 is 581/90.
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,
28/45 = 28 × 4/45 × 4 = 112/180 - Likewise, for the 2nd fraction, since 12 × 15 = 180,
70/12 = 70 × 15/12 × 15 = 1050/180 - Add the two like fractions:
112/180 + 1050/180 = 112 + 1050/180 = 1162/180 - 1162/180 simplified gives 581/90
- So, 28/45 + 70/12 = 581/90
In mixed form: 641/90
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