Add 21/60 and 35/7
1st number: 21/60, 2nd number: 5 0/7
21/60 + 35/7 is 107/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 7 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 60 × 7 = 420,
21/60 = 21 × 7/60 × 7 = 147/420 - Likewise, for the 2nd fraction, since 7 × 60 = 420,
35/7 = 35 × 60/7 × 60 = 2100/420 - Add the two like fractions:
147/420 + 2100/420 = 147 + 2100/420 = 2247/420 - 2247/420 simplified gives 107/20
- So, 21/60 + 35/7 = 107/20
In mixed form: 57/20
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