Add 45/42 and 72/60
1st number: 1 3/42, 2nd number: 1 12/60
45/42 + 72/60 is 159/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 60 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 42 × 10 = 420,
45/42 = 45 × 10/42 × 10 = 450/420 - Likewise, for the 2nd fraction, since 60 × 7 = 420,
72/60 = 72 × 7/60 × 7 = 504/420 - Add the two like fractions:
450/420 + 504/420 = 450 + 504/420 = 954/420 - 954/420 simplified gives 159/70
- So, 45/42 + 72/60 = 159/70
In mixed form: 219/70
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