Add 20/70 and 9/10
20/70 + 9/10 is 83/70.
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,
20/70 = 20 × 1/70 × 1 = 20/70 - Likewise, for the 2nd fraction, since 10 × 7 = 70,
9/10 = 9 × 7/10 × 7 = 63/70 - Add the two like fractions:
20/70 + 63/70 = 20 + 63/70 = 83/70 - So, 20/70 + 9/10 = 83/70
In mixed form: 113/70
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