Add 72/60 and 45/56
1st number: 1 12/60, 2nd number: 45/56
72/60 + 45/56 is 561/280.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 56 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 60 × 14 = 840,
72/60 = 72 × 14/60 × 14 = 1008/840 - Likewise, for the 2nd fraction, since 56 × 15 = 840,
45/56 = 45 × 15/56 × 15 = 675/840 - Add the two like fractions:
1008/840 + 675/840 = 1008 + 675/840 = 1683/840 - 1683/840 simplified gives 561/280
- So, 72/60 + 45/56 = 561/280
In mixed form: 21/280
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