Add 30/7 and 8/90
1st number: 4 2/7, 2nd number: 8/90
30/7 + 8/90 is 1378/315.
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,
30/7 = 30 × 90/7 × 90 = 2700/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
8/90 = 8 × 7/90 × 7 = 56/630 - Add the two like fractions:
2700/630 + 56/630 = 2700 + 56/630 = 2756/630 - 2756/630 simplified gives 1378/315
- So, 30/7 + 8/90 = 1378/315
In mixed form: 4118/315
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