Add 70/20 and 15/9
1st number: 3 10/20, 2nd number: 1 6/9
70/20 + 15/9 is 31/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 9 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 20 × 9 = 180,
70/20 = 70 × 9/20 × 9 = 630/180 - Likewise, for the 2nd fraction, since 9 × 20 = 180,
15/9 = 15 × 20/9 × 20 = 300/180 - Add the two like fractions:
630/180 + 300/180 = 630 + 300/180 = 930/180 - 930/180 simplified gives 31/6
- So, 70/20 + 15/9 = 31/6
In mixed form: 51/6
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