Add 15/60 and 42/45
15/60 + 42/45 is 71/60.
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,
15/60 = 15 × 3/60 × 3 = 45/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
42/45 = 42 × 4/45 × 4 = 168/180 - Add the two like fractions:
45/180 + 168/180 = 45 + 168/180 = 213/180 - 213/180 simplified gives 71/60
- So, 15/60 + 42/45 = 71/60
In mixed form: 111/60
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