Add 42/60 and 90/45
1st number: 42/60, 2nd number: 2 0/45
42/60 + 90/45 is 27/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 45 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 60 × 3 = 180,
42/60 = 42 × 3/60 × 3 = 126/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
90/45 = 90 × 4/45 × 4 = 360/180 - Add the two like fractions:
126/180 + 360/180 = 126 + 360/180 = 486/180 - 486/180 simplified gives 27/10
- So, 42/60 + 90/45 = 27/10
In mixed form: 27/10
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