Add 25/28 and 72/45
1st number: 25/28, 2nd number: 1 27/45
25/28 + 72/45 is 349/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 45 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 28 × 45 = 1260,
25/28 = 25 × 45/28 × 45 = 1125/1260 - Likewise, for the 2nd fraction, since 45 × 28 = 1260,
72/45 = 72 × 28/45 × 28 = 2016/1260 - Add the two like fractions:
1125/1260 + 2016/1260 = 1125 + 2016/1260 = 3141/1260 - 3141/1260 simplified gives 349/140
- So, 25/28 + 72/45 = 349/140
In mixed form: 269/140
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