Add 90/70 and 45/10
1st number: 1 20/70, 2nd number: 4 5/10
90/70 + 45/10 is 81/14.
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,
45/10 = 45 × 7/10 × 7 = 315/70 - Add the two like fractions:
90/70 + 315/70 = 90 + 315/70 = 405/70 - 405/70 simplified gives 81/14
- So, 90/70 + 45/10 = 81/14
In mixed form: 511/14
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