Add 9/60 and 21/56
9/60 + 21/56 is 21/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 56 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 60 × 14 = 840,
9/60 = 9 × 14/60 × 14 = 126/840 - Likewise, for the 2nd fraction, since 56 × 15 = 840,
21/56 = 21 × 15/56 × 15 = 315/840 - Add the two like fractions:
126/840 + 315/840 = 126 + 315/840 = 441/840 - 441/840 simplified gives 21/40
- So, 9/60 + 21/56 = 21/40
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