Add 90/10 and 9/70
1st number: 9 0/10, 2nd number: 9/70
90/10 + 9/70 is 639/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 70 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 10 × 7 = 70,
90/10 = 90 × 7/10 × 7 = 630/70 - Likewise, for the 2nd fraction, since 70 × 1 = 70,
9/70 = 9 × 1/70 × 1 = 9/70 - Add the two like fractions:
630/70 + 9/70 = 630 + 9/70 = 639/70 - So, 90/10 + 9/70 = 639/70
In mixed form: 99/70
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