Add 42/56 and 8/30
42/56 + 8/30 is 61/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 30 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 56 × 15 = 840,
42/56 = 42 × 15/56 × 15 = 630/840 - Likewise, for the 2nd fraction, since 30 × 28 = 840,
8/30 = 8 × 28/30 × 28 = 224/840 - Add the two like fractions:
630/840 + 224/840 = 630 + 224/840 = 854/840 - 854/840 simplified gives 61/60
- So, 42/56 + 8/30 = 61/60
In mixed form: 11/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/56+8/30 42/56+16/30 42/56+8/60 42/56+24/30 42/56+8/90 42/56+40/30 42/56+56/30