Add 70/18 and 45/30
1st number: 3 16/18, 2nd number: 1 15/30
70/18 + 45/30 is 97/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 30 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
70/18 = 70 × 5/18 × 5 = 350/90 - Likewise, for the 2nd fraction, since 30 × 3 = 90,
45/30 = 45 × 3/30 × 3 = 135/90 - Add the two like fractions:
350/90 + 135/90 = 350 + 135/90 = 485/90 - 485/90 simplified gives 97/18
- So, 70/18 + 45/30 = 97/18
In mixed form: 57/18
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