Add 30/56 and 7/15
30/56 + 7/15 is 421/420.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 15 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 56 × 15 = 840,
30/56 = 30 × 15/56 × 15 = 450/840 - Likewise, for the 2nd fraction, since 15 × 56 = 840,
7/15 = 7 × 56/15 × 56 = 392/840 - Add the two like fractions:
450/840 + 392/840 = 450 + 392/840 = 842/840 - 842/840 simplified gives 421/420
- So, 30/56 + 7/15 = 421/420
In mixed form: 11/420
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