Add 20/28 and 90/7
1st number: 20/28, 2nd number: 12 6/7
20/28 + 90/7 is 95/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 7 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 28 × 1 = 28,
20/28 = 20 × 1/28 × 1 = 20/28 - Likewise, for the 2nd fraction, since 7 × 4 = 28,
90/7 = 90 × 4/7 × 4 = 360/28 - Add the two like fractions:
20/28 + 360/28 = 20 + 360/28 = 380/28 - 380/28 simplified gives 95/7
- So, 20/28 + 90/7 = 95/7
In mixed form: 134/7
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