Add 72/60 and 7/40
1st number: 1 12/60, 2nd number: 7/40
72/60 + 7/40 is 11/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 60 × 2 = 120,
72/60 = 72 × 2/60 × 2 = 144/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
7/40 = 7 × 3/40 × 3 = 21/120 - Add the two like fractions:
144/120 + 21/120 = 144 + 21/120 = 165/120 - 165/120 simplified gives 11/8
- So, 72/60 + 7/40 = 11/8
In mixed form: 13/8
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