Add 90/20 and 9/14
1st number: 4 10/20, 2nd number: 9/14
90/20 + 9/14 is 36/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 14 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 20 × 7 = 140,
90/20 = 90 × 7/20 × 7 = 630/140 - Likewise, for the 2nd fraction, since 14 × 10 = 140,
9/14 = 9 × 10/14 × 10 = 90/140 - Add the two like fractions:
630/140 + 90/140 = 630 + 90/140 = 720/140 - 720/140 simplified gives 36/7
- So, 90/20 + 9/14 = 36/7
In mixed form: 51/7
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