Add 81/4 and 63/35
1st number: 20 1/4, 2nd number: 1 28/35
81/4 + 63/35 is 441/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 35 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 4 × 35 = 140,
81/4 = 81 × 35/4 × 35 = 2835/140 - Likewise, for the 2nd fraction, since 35 × 4 = 140,
63/35 = 63 × 4/35 × 4 = 252/140 - Add the two like fractions:
2835/140 + 252/140 = 2835 + 252/140 = 3087/140 - 3087/140 simplified gives 441/20
- So, 81/4 + 63/35 = 441/20
In mixed form: 221/20
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