Add 21/20 and 56/35
1st number: 1 1/20, 2nd number: 1 21/35
21/20 + 56/35 is 53/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 35 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 20 × 7 = 140,
21/20 = 21 × 7/20 × 7 = 147/140 - Likewise, for the 2nd fraction, since 35 × 4 = 140,
56/35 = 56 × 4/35 × 4 = 224/140 - Add the two like fractions:
147/140 + 224/140 = 147 + 224/140 = 371/140 - 371/140 simplified gives 53/20
- So, 21/20 + 56/35 = 53/20
In mixed form: 213/20
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