Add 45/40 and 60/21
1st number: 1 5/40, 2nd number: 2 18/21
45/40 + 60/21 is 223/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 21 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 40 × 21 = 840,
45/40 = 45 × 21/40 × 21 = 945/840 - Likewise, for the 2nd fraction, since 21 × 40 = 840,
60/21 = 60 × 40/21 × 40 = 2400/840 - Add the two like fractions:
945/840 + 2400/840 = 945 + 2400/840 = 3345/840 - 3345/840 simplified gives 223/56
- So, 45/40 + 60/21 = 223/56
In mixed form: 355/56
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