Add 21/60 and 7/56
21/60 + 7/56 is 19/40.
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,
21/60 = 21 × 14/60 × 14 = 294/840 - Likewise, for the 2nd fraction, since 56 × 15 = 840,
7/56 = 7 × 15/56 × 15 = 105/840 - Add the two like fractions:
294/840 + 105/840 = 294 + 105/840 = 399/840 - 399/840 simplified gives 19/40
- So, 21/60 + 7/56 = 19/40
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