Add 72/49 and 45/20
1st number: 1 23/49, 2nd number: 2 5/20
72/49 + 45/20 is 729/196.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 20 is 980
Next, find the equivalent fraction of both fractional numbers with denominator 980 - For the 1st fraction, since 49 × 20 = 980,
72/49 = 72 × 20/49 × 20 = 1440/980 - Likewise, for the 2nd fraction, since 20 × 49 = 980,
45/20 = 45 × 49/20 × 49 = 2205/980 - Add the two like fractions:
1440/980 + 2205/980 = 1440 + 2205/980 = 3645/980 - 3645/980 simplified gives 729/196
- So, 72/49 + 45/20 = 729/196
In mixed form: 3141/196
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