Add 70/14 and 12/90
1st number: 5 0/14, 2nd number: 12/90
70/14 + 12/90 is 77/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 90 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 14 × 45 = 630,
70/14 = 70 × 45/14 × 45 = 3150/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
12/90 = 12 × 7/90 × 7 = 84/630 - Add the two like fractions:
3150/630 + 84/630 = 3150 + 84/630 = 3234/630 - 3234/630 simplified gives 77/15
- So, 70/14 + 12/90 = 77/15
In mixed form: 52/15
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