Add 42/45 and 25/8
1st number: 42/45, 2nd number: 3 1/8
42/45 + 25/8 is 487/120.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 8 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 45 × 8 = 360,
42/45 = 42 × 8/45 × 8 = 336/360 - Likewise, for the 2nd fraction, since 8 × 45 = 360,
25/8 = 25 × 45/8 × 45 = 1125/360 - Add the two like fractions:
336/360 + 1125/360 = 336 + 1125/360 = 1461/360 - 1461/360 simplified gives 487/120
- So, 42/45 + 25/8 = 487/120
In mixed form: 47/120
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