Add 72/60 and 45/80
1st number: 1 12/60, 2nd number: 45/80
72/60 + 45/80 is 141/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 60 × 4 = 240,
72/60 = 72 × 4/60 × 4 = 288/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
45/80 = 45 × 3/80 × 3 = 135/240 - Add the two like fractions:
288/240 + 135/240 = 288 + 135/240 = 423/240 - 423/240 simplified gives 141/80
- So, 72/60 + 45/80 = 141/80
In mixed form: 161/80
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