Add 72/9 and 42/60
1st number: 8 0/9, 2nd number: 42/60
72/9 + 42/60 is 87/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 60 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 9 × 20 = 180,
72/9 = 72 × 20/9 × 20 = 1440/180 - Likewise, for the 2nd fraction, since 60 × 3 = 180,
42/60 = 42 × 3/60 × 3 = 126/180 - Add the two like fractions:
1440/180 + 126/180 = 1440 + 126/180 = 1566/180 - 1566/180 simplified gives 87/10
- So, 72/9 + 42/60 = 87/10
In mixed form: 87/10
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