Add 70/45 and 3/18
1st number: 1 25/45, 2nd number: 3/18
70/45 + 3/18 is 31/18.
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,
3/18 = 3 × 5/18 × 5 = 15/90 - Add the two like fractions:
140/90 + 15/90 = 140 + 15/90 = 155/90 - 155/90 simplified gives 31/18
- So, 70/45 + 3/18 = 31/18
In mixed form: 113/18
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