Add 28/35 and 4/45
28/35 + 4/45 is 8/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 45 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 35 × 9 = 315,
28/35 = 28 × 9/35 × 9 = 252/315 - Likewise, for the 2nd fraction, since 45 × 7 = 315,
4/45 = 4 × 7/45 × 7 = 28/315 - Add the two like fractions:
252/315 + 28/315 = 252 + 28/315 = 280/315 - 280/315 simplified gives 8/9
- So, 28/35 + 4/45 = 8/9
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