Add 1/90 and 45/30
1st number: 1/90, 2nd number: 1 15/30
1/90 + 45/30 is 68/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 30 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
1/90 = 1 × 1/90 × 1 = 1/90 - Likewise, for the 2nd fraction, since 30 × 3 = 90,
45/30 = 45 × 3/30 × 3 = 135/90 - Add the two like fractions:
1/90 + 135/90 = 1 + 135/90 = 136/90 - 136/90 simplified gives 68/45
- So, 1/90 + 45/30 = 68/45
In mixed form: 123/45
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