Add 42/30 and 9/56
1st number: 1 12/30, 2nd number: 9/56
42/30 + 9/56 is 437/280.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 56 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 30 × 28 = 840,
42/30 = 42 × 28/30 × 28 = 1176/840 - Likewise, for the 2nd fraction, since 56 × 15 = 840,
9/56 = 9 × 15/56 × 15 = 135/840 - Add the two like fractions:
1176/840 + 135/840 = 1176 + 135/840 = 1311/840 - 1311/840 simplified gives 437/280
- So, 42/30 + 9/56 = 437/280
In mixed form: 1157/280
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/30+9/56 42/30+18/56 42/60+9/56 42/30+27/56 42/90+9/56 42/30+45/56 42/30+63/56