Add 20/56 and 21/60
20/56 + 21/60 is 99/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 60 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 56 × 15 = 840,
20/56 = 20 × 15/56 × 15 = 300/840 - Likewise, for the 2nd fraction, since 60 × 14 = 840,
21/60 = 21 × 14/60 × 14 = 294/840 - Add the two like fractions:
300/840 + 294/840 = 300 + 294/840 = 594/840 - 594/840 simplified gives 99/140
- So, 20/56 + 21/60 = 99/140
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