Add 28/32 and 70/45
1st number: 28/32, 2nd number: 1 25/45
28/32 + 70/45 is 175/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 45 is 1440
Next, find the equivalent fraction of both fractional numbers with denominator 1440 - For the 1st fraction, since 32 × 45 = 1440,
28/32 = 28 × 45/32 × 45 = 1260/1440 - Likewise, for the 2nd fraction, since 45 × 32 = 1440,
70/45 = 70 × 32/45 × 32 = 2240/1440 - Add the two like fractions:
1260/1440 + 2240/1440 = 1260 + 2240/1440 = 3500/1440 - 3500/1440 simplified gives 175/72
- So, 28/32 + 70/45 = 175/72
In mixed form: 231/72
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