Add 12/7 and 8/90
1st number: 1 5/7, 2nd number: 8/90
12/7 + 8/90 is 568/315.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 90 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 7 × 90 = 630,
12/7 = 12 × 90/7 × 90 = 1080/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
8/90 = 8 × 7/90 × 7 = 56/630 - Add the two like fractions:
1080/630 + 56/630 = 1080 + 56/630 = 1136/630 - 1136/630 simplified gives 568/315
- So, 12/7 + 8/90 = 568/315
In mixed form: 1253/315
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