Add 90/45 and 10/8
1st number: 2 0/45, 2nd number: 1 2/8
90/45 + 10/8 is 13/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 8 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 45 × 8 = 360,
90/45 = 90 × 8/45 × 8 = 720/360 - Likewise, for the 2nd fraction, since 8 × 45 = 360,
10/8 = 10 × 45/8 × 45 = 450/360 - Add the two like fractions:
720/360 + 450/360 = 720 + 450/360 = 1170/360 - 1170/360 simplified gives 13/4
- So, 90/45 + 10/8 = 13/4
In mixed form: 31/4
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