Add 90/40 and 12/45
1st number: 2 10/40, 2nd number: 12/45
90/40 + 12/45 is 151/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 45 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 40 × 9 = 360,
90/40 = 90 × 9/40 × 9 = 810/360 - Likewise, for the 2nd fraction, since 45 × 8 = 360,
12/45 = 12 × 8/45 × 8 = 96/360 - Add the two like fractions:
810/360 + 96/360 = 810 + 96/360 = 906/360 - 906/360 simplified gives 151/60
- So, 90/40 + 12/45 = 151/60
In mixed form: 231/60
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