Add 70/10 and 28/18
1st number: 7 0/10, 2nd number: 1 10/18
70/10 + 28/18 is 77/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 10 × 9 = 90,
70/10 = 70 × 9/10 × 9 = 630/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
28/18 = 28 × 5/18 × 5 = 140/90 - Add the two like fractions:
630/90 + 140/90 = 630 + 140/90 = 770/90 - 770/90 simplified gives 77/9
- So, 70/10 + 28/18 = 77/9
In mixed form: 85/9
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