Add 10/28 and 90/20
1st number: 10/28, 2nd number: 4 10/20
10/28 + 90/20 is 34/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 20 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 28 × 5 = 140,
10/28 = 10 × 5/28 × 5 = 50/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
90/20 = 90 × 7/20 × 7 = 630/140 - Add the two like fractions:
50/140 + 630/140 = 50 + 630/140 = 680/140 - 680/140 simplified gives 34/7
- So, 10/28 + 90/20 = 34/7
In mixed form: 46/7
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