Add 98/20 and 20/70
1st number: 4 18/20, 2nd number: 20/70
98/20 + 20/70 is 363/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 70 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 70 × 2 = 140,
20/70 = 20 × 2/70 × 2 = 40/140 - Add the two like fractions:
686/140 + 40/140 = 686 + 40/140 = 726/140 - 726/140 simplified gives 363/70
- So, 98/20 + 20/70 = 363/70
In mixed form: 513/70
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