Add 98/20 and 28/7
1st number: 4 18/20, 2nd number: 4 0/7
98/20 + 28/7 is 89/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 7 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 20 × 7 = 140,
98/20 = 98 × 7/20 × 7 = 686/140 - Likewise, for the 2nd fraction, since 7 × 20 = 140,
28/7 = 28 × 20/7 × 20 = 560/140 - Add the two like fractions:
686/140 + 560/140 = 686 + 560/140 = 1246/140 - 1246/140 simplified gives 89/10
- So, 98/20 + 28/7 = 89/10
In mixed form: 89/10
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