Add 28/45 and 42/60
28/45 + 42/60 is 119/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 60 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 45 × 4 = 180,
28/45 = 28 × 4/45 × 4 = 112/180 - Likewise, for the 2nd fraction, since 60 × 3 = 180,
42/60 = 42 × 3/60 × 3 = 126/180 - Add the two like fractions:
112/180 + 126/180 = 112 + 126/180 = 238/180 - 238/180 simplified gives 119/90
- So, 28/45 + 42/60 = 119/90
In mixed form: 129/90
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