Add 90/14 and 20/4
1st number: 6 6/14, 2nd number: 5 0/4
90/14 + 20/4 is 80/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 4 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 14 × 2 = 28,
90/14 = 90 × 2/14 × 2 = 180/28 - Likewise, for the 2nd fraction, since 4 × 7 = 28,
20/4 = 20 × 7/4 × 7 = 140/28 - Add the two like fractions:
180/28 + 140/28 = 180 + 140/28 = 320/28 - 320/28 simplified gives 80/7
- So, 90/14 + 20/4 = 80/7
In mixed form: 113/7
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