Add 8/20 and 90/7
1st number: 8/20, 2nd number: 12 6/7
8/20 + 90/7 is 464/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 7 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 20 × 7 = 140,
8/20 = 8 × 7/20 × 7 = 56/140 - Likewise, for the 2nd fraction, since 7 × 20 = 140,
90/7 = 90 × 20/7 × 20 = 1800/140 - Add the two like fractions:
56/140 + 1800/140 = 56 + 1800/140 = 1856/140 - 1856/140 simplified gives 464/35
- So, 8/20 + 90/7 = 464/35
In mixed form: 139/35
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