Add 20/40 and 70/18
1st number: 20/40, 2nd number: 3 16/18
20/40 + 70/18 is 79/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 18 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 40 × 9 = 360,
20/40 = 20 × 9/40 × 9 = 180/360 - Likewise, for the 2nd fraction, since 18 × 20 = 360,
70/18 = 70 × 20/18 × 20 = 1400/360 - Add the two like fractions:
180/360 + 1400/360 = 180 + 1400/360 = 1580/360 - 1580/360 simplified gives 79/18
- So, 20/40 + 70/18 = 79/18
In mixed form: 47/18
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