Add 9/7 and 90/40
1st number: 1 2/7, 2nd number: 2 10/40
9/7 + 90/40 is 99/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 40 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 7 × 40 = 280,
9/7 = 9 × 40/7 × 40 = 360/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
90/40 = 90 × 7/40 × 7 = 630/280 - Add the two like fractions:
360/280 + 630/280 = 360 + 630/280 = 990/280 - 990/280 simplified gives 99/28
- So, 9/7 + 90/40 = 99/28
In mixed form: 315/28
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