Add 90/70 and 30/10
1st number: 1 20/70, 2nd number: 3 0/10
90/70 + 30/10 is 30/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 10 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 70 × 1 = 70,
90/70 = 90 × 1/70 × 1 = 90/70 - Likewise, for the 2nd fraction, since 10 × 7 = 70,
30/10 = 30 × 7/10 × 7 = 210/70 - Add the two like fractions:
90/70 + 210/70 = 90 + 210/70 = 300/70 - 300/70 simplified gives 30/7
- So, 90/70 + 30/10 = 30/7
In mixed form: 42/7
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