Add 70/18 and 60/40
1st number: 3 16/18, 2nd number: 1 20/40
70/18 + 60/40 is 97/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 40 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 18 × 20 = 360,
70/18 = 70 × 20/18 × 20 = 1400/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
60/40 = 60 × 9/40 × 9 = 540/360 - Add the two like fractions:
1400/360 + 540/360 = 1400 + 540/360 = 1940/360 - 1940/360 simplified gives 97/18
- So, 70/18 + 60/40 = 97/18
In mixed form: 57/18
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