Add 90/20 and 72/14
1st number: 4 10/20, 2nd number: 5 2/14
90/20 + 72/14 is 135/14.
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,
72/14 = 72 × 10/14 × 10 = 720/140 - Add the two like fractions:
630/140 + 720/140 = 630 + 720/140 = 1350/140 - 1350/140 simplified gives 135/14
- So, 90/20 + 72/14 = 135/14
In mixed form: 99/14
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