Add 90/80 and 7/10
1st number: 1 10/80, 2nd number: 7/10
90/80 + 7/10 is 73/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 10 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 80 × 1 = 80,
90/80 = 90 × 1/80 × 1 = 90/80 - Likewise, for the 2nd fraction, since 10 × 8 = 80,
7/10 = 7 × 8/10 × 8 = 56/80 - Add the two like fractions:
90/80 + 56/80 = 90 + 56/80 = 146/80 - 146/80 simplified gives 73/40
- So, 90/80 + 7/10 = 73/40
In mixed form: 133/40
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