Add 70/45 and 70/18
1st number: 1 25/45, 2nd number: 3 16/18
70/45 + 70/18 is 49/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 45 × 2 = 90,
70/45 = 70 × 2/45 × 2 = 140/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
70/18 = 70 × 5/18 × 5 = 350/90 - Add the two like fractions:
140/90 + 350/90 = 140 + 350/90 = 490/90 - 490/90 simplified gives 49/9
- So, 70/45 + 70/18 = 49/9
In mixed form: 54/9
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