Add 45/90 and 90/48
1st number: 45/90, 2nd number: 1 42/48
45/90 + 90/48 is 19/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 48 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 90 × 8 = 720,
45/90 = 45 × 8/90 × 8 = 360/720 - Likewise, for the 2nd fraction, since 48 × 15 = 720,
90/48 = 90 × 15/48 × 15 = 1350/720 - Add the two like fractions:
360/720 + 1350/720 = 360 + 1350/720 = 1710/720 - 1710/720 simplified gives 19/8
- So, 45/90 + 90/48 = 19/8
In mixed form: 23/8
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