Add 98/70 and 21/7
1st number: 1 28/70, 2nd number: 3 0/7
98/70 + 21/7 is 22/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 7 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 70 × 1 = 70,
98/70 = 98 × 1/70 × 1 = 98/70 - Likewise, for the 2nd fraction, since 7 × 10 = 70,
21/7 = 21 × 10/7 × 10 = 210/70 - Add the two like fractions:
98/70 + 210/70 = 98 + 210/70 = 308/70 - 308/70 simplified gives 22/5
- So, 98/70 + 21/7 = 22/5
In mixed form: 42/5
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