Add 18/20 and 98/70
1st number: 18/20, 2nd number: 1 28/70
18/20 + 98/70 is 23/10.
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,
18/20 = 18 × 7/20 × 7 = 126/140 - Likewise, for the 2nd fraction, since 70 × 2 = 140,
98/70 = 98 × 2/70 × 2 = 196/140 - Add the two like fractions:
126/140 + 196/140 = 126 + 196/140 = 322/140 - 322/140 simplified gives 23/10
- So, 18/20 + 98/70 = 23/10
In mixed form: 23/10
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